ALL meanings of acorn barnacle
a·corn bar·na·cle
A a - noun acorn barnacle any of various barnacles, such as Balanus balanoides, that live attached to rocks and have a volcano-shaped shell from the top of which protrude feathery food-catching appendages (cirri) 3
- noun acorn barnacle any of a genus (Balanus) of stalkless barnacles that resemble acorns 3
- noun acorn barnacle any marine crustacean of the subclass Cirripedia, usually having a calcareous shell, being either stalked (goose barnacle) and attaching itself to ship bottoms and floating timber, or stalkless (rock barnacle or acorn barnacle) and attaching itself to rocks, especially in the intertidal zone. 1
- noun acorn barnacle a person or thing that clings tenaciously. 1
- noun acorn barnacle Any of several species of stalkless barnacles in the genus Balanus. 0
- noun acorn barnacle Any barnacle in the order Sessilia. 0