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

• Panicum Texanum
• Panicum virgatum
• Panini
• Panipat
• Panjabi
• panjandrum
• panne
• pannier
• pannikin
• pannus
• panocha
• panoche
• Panofsky
• Panonychus
• Panonychus ulmi
• panoplied
• panoply
• panoptic
• panoptical
• panopticon
• panorama
• panoramic
• panoramic sight
• panoramic view
• Panorpidae