sei whale

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sei whale

 (sā)
n.
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.]

sei whale

or

sei

n
(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]

sei′ whale`

(seɪ)
n.
a rorqual, Balaenoptera borealis, inhabiting all seas.
[1915–20; < Norwegian seihval]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sei whale - similar to but smaller than the finback whalesei 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
Balaenoptera, genus Balaenoptera - type genus of the Balaenopteridae