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A baleen whale (Balaenoptera borealis) having a grayish body with a whitish underside, a curved dorsal fin, and grooves on the throat.
[Partial translation of Norwegian seihval; see sei.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Animals) a rorqual, Balaenoptera borealis
[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 and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a rorqual, Balaenoptera borealis, inhabiting all seas.
[1915–20; < Norwegian seihval]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||sei whale - similar to but smaller than the finback whale|
rorqual, razorback - any of several baleen whales of the family Balaenopteridae having longitudinal grooves on the throat and a small pointed dorsal fin
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