1. Barnacle that attaches to rocks especially in intertidal zones
   - acorn barnacle, Balanus balanoides

Derived forms: rock barnacles

Type of: barnacle, cirriped, cirripede

Part of: Balanus, genus Balanus

Encyclopedia: Rock barnacle

• beardless iris
• beardown
• bearer
• bearer bond
• Bearer of the Sword
• bearing
• bearing brass
• bearing false witness
• bearing metal
• bearing rein
• bearing wall
• bearish
• bearishness
• bearskin
• bearwood
• beast
• beast of burden
• beastie
• beastliness
• beastly
• beat
• beat a dead horse
• beat a retreat
• beat about
• beat about the bush