A dinghy is a type of small boat

Boat

A boat is a watercraft of any size designed to float or plane, to provide passage across water. Usually this water will be inland or in protected coastal areas. However, boats such as the whaleboat were designed to be operated from a ship in an offshore environment. In naval terms, a boat is a...

, often carried or towed for use as a ship's boat

Ship's boat

Ship's boats are utility boats carried by larger vessels to act as tenders amongst other roles. Boats had different names depending on hull form, rig, size and role during the Age of Sail, this nomenclature persisting to the present, especially in military circles, long after most distinctions have...

 by a larger vessel. It is a loanword

Loanword

A loanword is a word borrowed from a donor language and incorporated into a recipient language. By contrast, a calque or loan translation is a related concept where the meaning or idiom is borrowed rather than the lexical item itself. The word loanword is itself a calque of the German Lehnwort,...

 from either Bengali

Bengali language

Bengali or Bangla is an eastern Indo-Aryan language. It is native to the region of eastern South Asia known as Bengal, which comprises present day Bangladesh, the Indian state of West Bengal, and parts of the Indian states of Tripura and Assam. It is written with the Bengali script...

 or Urdu

Urdu

Urdu is a register of the Hindustani language that is identified with Muslims in South Asia. It belongs to the Indo-European family. Urdu is the national language and lingua franca of Pakistan. It is also widely spoken in some regions of India, where it is one of the 22 scheduled languages and an...

. The term can also refer to small racing yachts

Dinghy racing

Dinghy racing is the competitive sport of sailing dinghies. Dinghy racing has affected aspects of the modern dinghy, including hull design, sail materials and sailplan, and techniques such as planing and trapezing.-Organisation of dinghy racing:...

 or recreational open sailing boats

Dinghy sailing

Dinghy sailing is the activity of sailing small boats by using five essential controls:* the sails* the foils ....

. Utility dinghies are usually rowboats or have an outboard motor

Outboard motor

An outboard motor is a propulsion system for boats, consisting of a self-contained unit that includes engine, gearbox and propeller or jet drive, designed to be affixed to the outside of the transom and are the most common motorized method of propelling small watercraft...

, but some are rigged for sailing.
Because the smaller sailing dinghy responds more quickly to maneuvers, it is more suitable for beginner training in sailing than full-sized yacht

Yacht

A yacht is a recreational boat or ship. The term originated from the Dutch Jacht meaning "hunt". It was originally defined as a light fast sailing vessel used by the Dutch navy to pursue pirates and other transgressors around and into the shallow waters of the Low Countries...

s.
Dinghies usually range in length from about 6 to 20 ft (1.8 to 6.1 m).