dolphin

[ dol-fin, dawl- ]
/ ˈdɒl fɪn, ˈdɔl- /

noun

any of several chiefly marine, cetacean mammals of the family Delphinidae, having a fishlike body, numerous teeth, and the front of the head elongated into a beaklike projection.
Also called dolphinfish, mahimahi, pompano dolphin . either of two large, slender fishes, Coryphaena hippurus or C. equisetis, of warm and temperate seas.
Nautical.
  1. a pile, cluster of piles, or buoy to which a vessel may be moored in open water.
  2. a cluster of piles used as a fender, as at the entrance to a dock.
  3. a pudding fender at the nose of a tugboat or on the side of a vessel.
(initial capital letter)Astronomy. the constellation Delphinus.

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Origin of dolphin

1300–50; Middle English dolphyn<Old French daulphin<Old Provençal dalfin<Vulgar Latin *dalfīnus,Latin delphīnus<Greek delphī́n
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for dolphin

British Dictionary definitions for dolphin

dolphin
/ (ˈdɒlfɪn) /

noun

any of various marine cetacean mammals of the family Delphinidae, esp Delphinus delphis, that are typically smaller than whales and larger than porpoises and have a beaklike snout
river dolphin any freshwater cetacean of the family Platanistidae, inhabiting rivers of North and South America and S Asia. They are smaller than marine dolphins and have a longer narrower snout
Also called: dorado either of two large marine percoid fishes, Coryphaena hippurus or C. equisetis, that resemble the cetacean dolphins and have an iridescent coloration
nautical a post or buoy for mooring a vessel

Word Origin for dolphin

C13: from Old French dauphin, via Latin, from Greek delphin-, delphis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012