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

1 sense of acorn barnacle

Sense 1
acorn barnacle, rock barnacle, Balanus balanoides -- (barnacle that attaches to rocks especially in intertidal zones)
       => 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)

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