sei whale

[ sey ]
/ seɪ /

noun

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

British Dictionary definitions for sei whale

sei whale
/ (seɪ) /

noun

a rorqual, Balaenoptera borealis

Word Origin for sei whale

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