bicephalus


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dicephalus

 [di-sef´ah-lus]
a malformed fetus with two heads; called also bicephalus and derodidymus.

di·ceph·a·lus

(dī-sef'ă-lŭs),
Symmetric conjoined twins with two separate heads. See: conjoined twins.
[G. di-, two, + kephalē, head]

dicephalus

An infant with two heads.

bicephalus

a two-headed monster.