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fin

fin

18 2.8
A flat shoe worn on the foot to help a person swim
  • noun
  • /fɪn/
translation icon : aleta
  • An estimated 50 fishermen from the Bay Islands currently seek lobsters and conchs using only masks and fins.
  • masks and fins

And once they're in there, you're like locked in and you become like one with the fin in a very, you know, kind of mermaid way.

Examples

  • Wide fin strokes move a lot of water but give only a little more propulsion.

    Blog text (18)
  • I have to throw away my fins.

  • This is a dive bag or a fin bag, which houses all my fins gear, stuff like that.

  • Researchers in wetsuits and fins splash into the water.

    Academic text (2011)
  • Shannon and Rodgers extended their legs and used the tips of their dive fins as bumpers to keep from scraping against the rough limestone walls.

    Fiction book (1995)
  • Each vessel carries 90-100 scuba tanks and an air compressor and also supplies the masks, regulators, fins, and bags for the divers.

    Academic text (1996)
  • She wore bright blue fins to help her swim faster in the ocean.

  • Before diving into the pool, he slipped on his fins for better propulsion.

  • The instructor advised the students to adjust their fins for optimal movement in the water.

Synonyms

flipper
vsfin
13 3.5

A flat rubber shoe you wear on your foot to swim faster

is used for both surface swimming and diving rather than only underwater

Compounds

dorsal fin
  • Specialized
5 3.5

A fin on the back of a fish or dolphin that helps it keep balance while swimming

3 4.0

A large whale with a flat head, long body and small back fin found in the Atlantic and Pacific

pectoral fin
  • Specialized
1 6.1

A fin on each side of a fish near the head that helps it steer

fin de siècle
  • Literature
1 9.9

A period at the end of a century, especially the late 1800s, with a mood of decline

fin-de-siècle
  • Literature
1 9.9

About the end of a century, especially the late 19th century, showing cultural change and moral decline

tail fin
  • Archaic
1 6.4

A decorative metal piece on a car's rear that looks like a small wing

tail fin
  • Specialized
1 4.2

A vertical surface at the plane's tail that helps keep it steady in flight

vertical fin
  • Specialized
1 4.3

A flat upright part on an airplane tail that keeps the plane pointing straight

caudal fin
  • Specialized
6.0

A tail fin at the back of a fish that pushes water to make it move and steer

fin de siècle
  • Literature
9.9

Relating to the mood and art at the end of a century, often the late 1800s

fin keel
  • Specialized
7.9

A metal piece under a boat that keeps it from moving sideways

long-fin tunny
  • Specialized
7.0

A large tuna with long side fins often sold as canned fish

heterocercal fin
  • Specialized
9.9

A tail fin with a larger top than bottom and the backbone entering the top, like sharks

homocercal fin
  • Specialized
9.9

A tail fin that is the same on both sides and extends past the spine, seen in most bony fish

pelvic fin
  • Specialized
6.3

One of a pair of small fins on the lower body of a fish that help it steer

3.1

A flat fin at a fish's rear used to push and steer it in water

soup-fin
  • Specialized
9.9

A Pacific shark with fins used for Chinese soup and liver rich in vitamin A

ventral fin
  • Specialized
6.1

A fin under a fish that helps it balance and turn

ventral fin
  • Specialized
6.7

A fin under a plane or rocket that helps keep it stable in flight

Surface Forms

fin singular
fins plural

Etymology

Fin for a swim shoe was named after the fish fin because the paddle-like shoe works like a 'fin' on your foot, helping you push through the water faster.