Baleen
Origin
From Old French baleine ("whale, whalebone"), from Latin balaena ("whale"), from Ancient Greek φάλαινα ("whale").
Noun
baleen
(countable and uncountable; plural baleens)- (physiology, uncountable) The plates in the mouth of the baleen whale, Mysticeti, which it uses to trap its food; formerly used in corsetry
- 1954, Alexander Alderson, The Subtle Minotaur Chapter 5, “You have probably never seen anything like this before, Mr. Toler. It is baleen, or if you prefer it, whalebone#Noun
- (zoology, countable) a baleen whale