/sir"euh ped'/ , n.
1. any crustacean of the subclass Cirripedia, chiefly comprising the barnacles, typically free-swimming in the larval stage and attached or parasitic in the adult stage, with slender, bristly appendages for gathering food.
adj.
2. having legs like cirri.
3. belonging or pertaining to the Cirripedia.
[ 1820-30; Cirripedia; see CIRRI-, PED ]