[ pawr-puhs ]
/ 藞p蓴r p蓹s /
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noun, plural (especially collectively) por路poise, (especially referring to two or more kinds or species) por路pois路es.
any of several small, gregarious cetacean mammals of the genus Phocoena, usually blackish above and paler beneath, and having a blunt, rounded snout, especially the common porpoise, P. phocoena, of both the North Atlantic Ocean and the Pacific Ocean.
any of several small cetacean mammals, as the common dolphin, Delphinus delphis.
verb (used without object), por路poised, por路pois路ing.
(of a speeding motorboat) to leap clear of the water after striking a wave.
(of a torpedo) to appear above the surface of the water.
to move forward with a rising and falling motion in the manner of a porpoise: The car has a tendency to porpoise when overloaded.
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Origin of porpoise

First recorded in 1275鈥1325; Middle English porpoys, from Middle French porpois, from unattested Vulgar Latin porcopiscis 鈥渉og fish,鈥 for Latin porcus mar墨nus 鈥渟ea hog鈥


por路poise路like, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2023

How to use porpoise in a sentence

British Dictionary definitions for porpoise

/ (藞p蓴藧p蓹s) /

noun plural -poises or -poise
any of various small cetacean mammals of the genus Phocaena and related genera, having a blunt snout and many teeth: family Delphinidae (or Phocaenidae)
(not in technical use) any of various related cetaceans, esp the dolphin

Word Origin for porpoise

C14: from French pourpois, from Medieval Latin porcopiscus (from Latin porcus pig + piscis fish), replacing Latin porcus mar墨nus sea pig
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012