Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun barnacle

2 senses of barnacle

Sense 1
barnacle, cirriped, cirripede -- (marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces)
       => crustacean -- (any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton)

Sense 2
barnacle goose, barnacle, Branta leucopsis -- (European goose smaller than the brant; breeds in the far north)
       => goose -- (web-footed long-necked typically gregarious migratory aquatic birds usually larger and less aquatic than ducks)