Cephalothorax
Pronunciation : Ceph`a*lo*tho"rax
Part of Speech : n.
Etymology : [Cephalo- + thorax.] (Zo?l.)
Definition : Defn: The anterior portion of any one of the Arachnida and higher Crustacea, consisting of the united head and thorax.
Source : Webster's Unabridged Dictionary, 1913