thoracomelus

thoracomelus

 [thor″ah-kom´ĕ-lus]
unequal conjoined twins with the parasite twin as a supernumerary limb attached to the thorax.

tho·ra·com·e·lus

(thō'ră-kom'ĕ-lŭs),
Unequal conjoined twins in which the parasite, often only a single upper or lower limb, is attached to the thorax of the autosite. See: conjoined twins.
[thoraco- + G. melos, limb]

thoracomelus

(thō″ră-kŏm′ē-lŭs) [″ + melos, limb]
A deformed fetus with an extra leg attached to the thorax.

thoracomelus

a monster with a supernumerary limb attached to the thorax.