A condition in which an individual has a supernumerary limb attached to the abdomen. ... See: conjoined twins. ... Origin: Gastro-+ G. Melos, a limb ... (05 Mar 2000) ... 
Type: Term Pronunciation: gas-trom′ĕ-lŭs Definitions: 1. A condition in which an individual has a supernumerary limb attached to the abdomen. See: conjoined twins, under twin