In conjoined twins, a condition in which the trunks are completely merged although the heads remain separate. ... See: conjoined twins. ... Origin: mono-+ G. Soma, body ... (05 Mar 2000) ... 
Type: Term Pronunciation: mon′ō-sō′mē-ă Definitions: 1. In conjoined twins, a condition in which there are two heads and a single trunk. See: conjoined twins, under twin