— cephalothoracic /sef'euh loh theuh ras"ik/ , adj.
/sef'euh loh thawr"aks, -thohr"-/ , n. , pl. cephalothoraxes, cephalothoraces /-thawr"euh seez', -thohr"-/ . Zool.
the anterior part of the body in certain arachnids and crustaceans, consisting of the coalesced head and thorax.
[ 1825-35; CEPHALO- + THORAX ]