n marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces
常见例句
1
A group of cirripeds, destitute of footlike organs. n
2
One of the dorsal plates of the operculum of a cirriped.
3
A division of cirripeds including those which have six thoracic segments, usually bearing six pairs of cirri
