fin

[fɪn]

fin Definition

• 1. a flattened appendage on various parts of the body of many aquatic vertebrates, including fish and cetaceans, and some invertebrates, used for propelling, steering, and balancing
• 2. a vertical surface on an aircraft, boat, or submarine, used to provide stability and control
• 3. a projecting part of a surface or object, typically one that is rounded or shaped like a wedge

Using fin: Examples

Take a moment to familiarize yourself with how "fin" can be used in various situations through the following examples!

• Example

  The shark's fin cut through the water.

• Example

  The airplane's tail fin provides stability during flight.

• Example

  The fin of the surfboard helped him catch the wave.

• Example

  The car's fin was a popular design feature in the 1950s.

fin Synonyms and Antonyms

Synonyms for fin

• flipper
• paddle
• wing
• blade
• rudder

Phrases with fin

• fin de siècle

  the end of a century, especially the 19th century, when society was thought to be decadent

  Example

  The art of the fin de siècle period was characterized by its ornate and elaborate style.

• fin whale

  a large baleen whale with a streamlined body and a V-shaped head

  Example

  The fin whale is the second-largest animal on Earth after the blue whale.

• dorsal fin

  the fin on the back of a fish or cetacean

  Example

  The dorsal fin of the killer whale is distinctive and easily recognizable.

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Summary: fin in Brief

The term 'fin' [fɪn] refers to a flattened appendage used for propulsion, steering, and balance in aquatic animals. It also denotes a vertical surface on an aircraft, boat, or submarine used for stability and control, as well as a projecting part of a surface or object. Examples include 'The shark's fin cut through the water,' and 'The car's fin was a popular design feature in the 1950s.'