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Blech. These are the grossest words.

sei whale

[sey] /seɪ/
a rorqual, Balaenoptera borealis, inhabiting all seas: now greatly reduced in number.
Origin of sei whale
1915-20; < Norwegian seihval, equivalent to sei (Old Norse seithr) coalfish + hval whale1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for sei whale

sei whale

a rorqual, Balaenoptera borealis
Word Origin
C20: from Norwegian seihval, from sei coalfish (see saithe) + hval whale: so called because it follows coalfish in search of food
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
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