• 2 (number), as an ordinal (also written as 2nd, 2d or 2nd)
• Arcsecond, a unit of angle
• Second of right ascension
  Right ascension
  Right ascension is the astronomical term for one of the two coordinates of a point on the celestial sphere when using the equatorial coordinate system. The other coordinate is the declination.-Explanation:...
  
  , in astronomy
• Second (parliamentary procedure), to support a proposal
• Second, the agent of a participant in a duel
  Duel
  A duel is an arranged engagement in combat between two individuals, with matched weapons in accordance with agreed-upon rules.Duels in this form were chiefly practised in Early Modern Europe, with precedents in the medieval code of chivalry, and continued into the modern period especially among...
  
   or a cornerman
  Cornerman
  A cornerman, or simply corner, is a combat sports term for a coach or team mate assisting a fighter during the length of a bout. The cornerman remains outside the combat area during the fight, but in proximity, and can assist the fighter through instruction...
  
   in combative sports such as boxing
• Second, the climber who follows the lead climber in rock climbing
  Rock climbing
  Rock climbing also lightly called 'The Gravity Game', is a sport in which participants climb up, down or across natural rock formations or artificial rock walls. The goal is to reach the summit of a formation or the endpoint of a pre-defined route without falling...
  
  
• An assistant to a chess player, see Glossary of chess
• Second-class degree or second-class honours, a British undergraduate degree classification
  British undergraduate degree classification
  The British undergraduate degree classification system is a grading scheme for undergraduate degrees in the United Kingdom...
  
  
• Used goods, known as seconds or second-hand goods
• Second-in-command
  Second-in-command
  The Second-in-Command is the deputy commander of any British Army or Royal Marines unit, from battalion or regiment downwards. He or she is thus the equivalent of an Executive Officer in the United States Army...
  
  , a deputy commander in British and Commonwealth armies
• Second dealing
  Second dealing
  Second dealing is a method of manipulating a deck of cards during a card game by way of dealing the second, rather than the top, card of the deck, usually for the purpose of cheating...
  
  , a method of cheating in card games

Music

• Diminished second
  Diminished second
  In modern Western tonal music theory a diminished second is the interval between notes on two adjacent staff positions, or having adjacent note letters, whose alterations cause them, in ordinary equal temperament, to have no pitch difference, such as B and C or B and C...
  
  , or unison
• Minor second
  Minor second
  In modern Western tonal music theory a minor second is the interval between two notes on adjacent staff positions, or having adjacent note letters, whose alterations cause them to be one semitone or half-step apart, such as B and C or C and D....
  
  , or semitone
• Neutral second
  Neutral second
  A neutral second or medium second is a musical interval wider than a minor second and narrower than a major second. Three distinct intervals may be termed neutral seconds:...
  
  , or three-quarters-tone (i.e., one-and-a-half semitones)
• Major second
  Major second
  In Western music theory, a major second is a musical interval spanning two semitones, and encompassing two adjacent staff positions . For example, the interval from C to D is a major second, as the note D lies two semitones above C, and the two notes are notated on adjacent staff postions...
  
  , or whole tone (i.e, two semitones)
• Augmented second, or either one-and-one-quarter tones (i.e., two-and-a-half semitones) or one-and-one-half tones (i.e., three semitones)

Entertainment

• Seconds (The Batman), a fourth-season episode of The Batman
• Seconds (film)
  Seconds (film)
  Seconds is a 1966 American film starring Rock Hudson. Characterized sometimes as a science fiction thriller, but with elements of horror, neo-noir, psychedelia, and drama, it was directed by John Frankenheimer with a screenplay by Lewis John Carlino. The script was based on a novel by David Ely...
  
  , a 1966 film directed by John Frankenheimer and starring Rock Hudson
• "Seconds" (song), a song by U2 from their 1983 album War
• Seconds (Kate Rogers album)
  Seconds (Kate Rogers album)
  Seconds is the third album released by Kate Rogers.Her first album was a compilation of her guest appearances as vocalist on Grand Central Records releases, entitled Kate Rogers Vs Grand Central. This was followed by St...
  
  , 2005
• Seconds (The Dogs D'Amour album), 2000
• Second (Baroness album)
  Second (Baroness album)
  Second is the second official recording by the metal band Baroness . It was recorded in one session, with the exception of the vocals. The art work was done by Baroness singer John Baizley .-Track listing:All songs written by Baroness...
  
  
• 2nd (The Rasmus EP), 1996
• The Second, second studio album by rock band Steppenwolf

See also

• Secondment, a transfer of an employee, usually within an organization
• SND (disambiguation)