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grampus

[gram-puh s] /ˈgræm pəs/
noun, plural grampuses.
1.
a cetacean, Grampus griseus, of the dolphin family, widely distributed in northern seas.
2.
any of various related cetaceans, as the killer whale, Orcinus (Orca) orca.
3.
a giant whip scorpion common to Florida.
Origin
1520-1530
1520-30; earlier grampoys, variant (by assimilation) of graundepose great fish, equivalent to graunde grand + pose, poys < Middle French pois, peis < Latin pisce- (stem of piscis) fish; replacing Middle English gra(s)peis < Middle FrenchLatin crassus piscis fat fish
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for grampus

grampus

/ˈɡræmpəs/
noun (pl) -puses
1.
a widely distributed slaty-grey dolphin, Grampus griseus, with a blunt snout
2.
another name for killer whale
Word Origin
C16: from Old French graspois, from gras fat (from Latin crassus) + pois fish (from Latin piscis)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for grampus
n.

1590s, earlier graundepose (1520s), altered (by influence of grand) from Middle English graspeys (late 13c.), from Anglo-French grampais, from Old French graspois, craspois "whale, (salted) whale meat; blubber; seal," from Medieval Latin craspicis, literally "fat fish," from Latin crassus "thick" + piscis "fish." For specifics of usage in English, see OED.

Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Article for grampus

a common offshore inhabitant of tropical and temperate ocean waters, a member of the dolphin family (Delphinidae). The grampus measures about 4 metres (approximately 13 feet) in length and has a blunt head and a distinct longitudinal forehead crease. It is unique among dolphins in usually having no upper teeth and from zero to seven teeth in the lower jaw. Older males are heavily scarred about the head and trunk, apparently owing to encounters with other grampuses.

Learn more about grampus with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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