céphalothoraxcommon nounSyllable DecompositioncéphalothoraxEtymologyexpandsee cephalo- and thorax.Definition1. Anterior part of the body of arachnids and crustaceans, resulting from the fusion of the two anterior parts, the head and the thorax of insects.zoologieexpandSynonymprosomaAntonymopisthosomeTranslationsenglish:cephalothoraxgreek:κεφαλοθώρακας