Barnacle - Definition
barnacle
n 1: marine crustaceans with feathery food-catching appendages;
free-swimming as larvae; as adults form a hard shell and
live attached to submerged surfaces [syn: barnacle,
cirriped, cirripede]
2: European goose smaller than the brant; breeds in the far
north [syn: barnacle goose, barnacle, Branta leucopsis]