noun
sei
say
noun
1
A large baleen whale found in oceans worldwide, related to the fin whale.
"A sei whale can reach lengths of over 50 feet."
How to Use Sei
Learner’s notesIn plain EnglishShort for "sei whale," a species of large baleen whale.
Word Forms
seis plural
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A _____ whale can reach lengths of over 50 feet.
Etymology
From Norwegian seihval, combining sei ("pollock") with hval ("whale"), since the whales were often seen near pollock shoals.