n. 鲸须

[ noun ]
a horny material from the upper jaws of certain whales; used as the ribs of fans or as stays in corsets
<noun.substance>

Baleen \Ba*leen"\ (b[.a]*l[=e]n"), n. [F. baleine whale and
whalebone, L. balaena a whale; cf. Gr. fa`laina. ] (Zo["o]l.
& Com.)
Plates or blades of ``whalebone,'' from two to twelve feet
long, and sometimes a foot wide, which in certain whales
({Bal[ae]noidea}) are attached side by side along the upper
jaw, and form a fringelike sieve by which the food is
retained in the mouth.