Dictionary 1. (a.) Of or pertaining to the thorax, or chest.2. (n.) One of a group of fishes having the ventral fins placed beneath the thorax or beneath the pectoral fins. Thesaurus bosomed breasted cetacean chested chordate mammary mammate mammiform mammillary marsupial nippled papillary papillose papulous pectoral pigeon-breasted teated thoracic vertebrate |