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The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
PRONUNCIATION: brk--pd, brk-
NOUN: 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.
ETYMOLOGY: From New Latin Brchiopoda, phylum name : Latin brcchium, arm; see brachium + New Latin -poda, -pod.
OTHER FORMS: brachi·o·pod —ADJECTIVE