bra·chi·o·pod (brā'kē-ə-pŏd', brāk'ē-) n. Any of various marine invertebrates of the phylum Brachiopoda, having bivalve dorsal and ventral shells enclosing a pair of tentacled, armlike structures that are used to sweep minute food particles into the mouth. Also called lampshell.
[From New Latin Brāchiopoda, phylum name : Latin brācchium, arm; see brachium + New Latin -poda, -pod.] brach'i·o·pod' adj.