a•corn bar•na•cle
We found 1 definitions of acorn barnacle from 1 different sources.
Noun |
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acorn barnacle - barnacle that attaches to rocks especially in intertidal zones | ||
rock barnacle, Balanus balanoides | ||
cirriped, cirripede, barnacle marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces |