• A narrow opening through which an object can pass, for example in a:
  • Vending machine slot
    Vending machine
    A vending machine is a machine which dispenses items such as snacks, beverages, alcohol, cigarettes, lottery tickets, consumer products and even gold and gems to customers automatically, after the customer inserts currency or credit into the machine....
    
    
  • Slot machine
    Slot machine
    A slot machine , informally fruit machine , the slots , poker machine or "pokies" or simply slot is a casino gambling machine with three or more reels which spin when a button is pushed...
    
    , a type of casino game
• Slot, a space for a container
  Containerization
  Containerization is a system of freight transport based on a range of steel intermodal containers...
  
   on a ship, usually expressed as a 20' or 40' slot (i.e. 20 or 40 feet)
• Slot (car racing), a slot in the track on which slot cars race in and are guided by
• Slot (ice hockey)
  Slot (ice hockey)
  In hockey, the slot is the area on the hockey rink directly ahead of the goaltender between the faceoff circles on each side. Those inexperienced with hockey terminology sometimes incorrectly refer to it as the "scoring area"....
  
  , the area on the hockey rink directly ahead of the goaltender between the faceoff circles on each side
• Orbital slot, allotted position for a satellite in a "crowded" orbit

Technology

• Groove (engineering), a feature cut into a hard material to provide a location for another component
  • Tongue and groove
    Tongue and groove
    A strong joint, the tongue and groove joint is widely used for re-entrant angles. The effect of wood shrinkage is concealed when the joint is beaded or otherwise moulded...
    
    
• Slot (computer architecture)
  Slot (computer architecture)
  A slot comprises the operation issue and data paths machinery surrounding a collection of one or more functional units which share these resources. The term slot is common for this purpose in the VLIW world where the relationship between operation in an instruction and pipeline to execute it is...
  
  , the operation issue and data path machinery associated with a single execute pipeline in a CPU
  • Edge connector socket ("slot")
    Edge connector
    An edge connector is the portion of a printed circuit board consisting of traces leading to the edge of the board that are intended to plug into a matching socket. The edge connector is a money-saving device because it only requires a single discrete female connector , and they also tend to be...
    
    , any type of female electrical connector for use with printed circuit boards having matching edge connectors
  • Slot 1
    Slot 1
    Slot 1 refers to the physical and electrical specification for the connector used by some of Intel's microprocessors, including the Pentium Pro, Celeron, Pentium II and the Pentium III...
    
    , the physical and electrical specification for the connector used by some of Intel's microprocessors
  • Slot 2
    Slot 2
    Slot 2 refers to the physical and electrical specification for the 330-lead Single Edge Contact Cartridge used by some of Intel's Pentium II Xeon and certain models of the Pentium III Xeon....
    
    , the physical and electrical specification for the connector used by some of Intel's microprocessors
  • Slot A
    Slot A
    Slot A refers to the physical and electrical specification for a 242-lead single-edge-connector used by early versions of AMD's Athlon processor.The Slot A connector allows for a higher bus rate than Socket 7 or Super Socket 7...
    
    , the physical and electrical specification for the edge-connector used by early versions of AMD's Athlon processor
• Leading edge slot
  Leading edge slot
  A leading edge slot is an aerodynamic feature of the wing of some aircraft to reduce the stall speed and promote good low-speed handling qualities. A leading edge slot is a span-wise gap in each wing, allowing air to flow from below the wing to its upper surface...
  
  , an aerodynamic device used on fixed wing aircraft
• Slot antenna
  Slot antenna
  A slot antenna consists of a metal surface, usually a flat plate, with a hole or slot cut out. When the plate is driven as an antenna by a driving frequency, the slot radiates electromagnetic waves in similar way to a dipole antenna. The shape and size of the slot, as well as the driving frequency,...
  
  , a directional antenna consisting of a slot in a piece of metal
• Kensington Security Slot
  Kensington Security Slot
  A Kensington Security Slot is part of an anti-theft system designed by Kensington Computer Products Group,Ltd....
  
  , small hole found on almost all recent small or portable computer and electronics equipment used for attaching a lock

Other

• Dance slot
  Dance slot
  In slotted dances, the dance slot is an imaginary narrow rectangle along which the follower moves back and forth with respect to the leader, who is more or less stationary....
  
  , an imaginary narrow rectangle along which a follower moves back and forth with respect to the leader
• Landing slot, right allocated to an airline by an airport or government agency to schedule a landing or departure at a specific time
• "Slot", the Danish and Dutch word for castle
  Castle
  A castle is a type of fortified structure built in Europe and the Middle East during the Middle Ages by European nobility. Scholars debate the scope of the word castle, but usually consider it to be the private fortified residence of a lord or noble...
  
   or fortified place, and can refer to several places, e.g.
  • Søborg Slot
• "The Slot", a name for New Georgia Sound
  New Georgia Sound
  New Georgia Sound is the body of water that runs approximately through the middle of the Solomon Islands. The Sound is bounded by Choiseul Island, Santa Isabel Island, and Florida Island to the north, and by Vella Lavella, Kolombangara, New Georgia, and the Russell Islands to the south...
  
  , used by the Tokyo Express to supply the Japanese garrison on Guadalcanal in World War II
• Slot (band)
  Slot (band)
  Slot is a Russian nu metal band.-Biography:Slot was formed by male vocalist and chief songwriter Igor Lobanov and guitarist Sergey Bogolyobskij in 2002 in Moscow, Russia. In 2003 they released their debut album "SLOT 1", released under Mistery Of Sound recording label...
  
  , a Russian alternative/nu metal band
• Slots, common Internet-slang for the popular Warcraft III video game modification, Defense of the Ancients
  Defense of the Ancients
  Defense of the Ancients is a custom scenario for the real-time strategy game Warcraft III: Reign of Chaos and its expansion, Warcraft III: The Frozen Throne, based on the "Aeon of Strife" map for StarCraft...
  
  
• Slot canyon
  Slot canyon
  A slot canyon is a narrow canyon, formed by the wear of water rushing through rock. A slot canyon is significantly deeper than it is wide. Some slot canyons can measure less than one metre across at the top but drop more than 30 m to the floor of the canyon.Most slot canyons are formed in...
  
  , a type of narrow canyon formed by the wear of water rushing through sandstone
• Slot time
  Slot time
  Slot time is a concept in computer networking. It is twice the time it takes for an electronic pulse to travel the length ofthe maximum theoretical distance between two nodes...
  
  , the time it takes for an electronic pulse to travel the length between two nodes