Noun
The anterior portion of any one of the Arachnida and higher Crustacea, consisting of the united head and thorax.
Source: Webster's dictionaryAfter a few days or longer, depending on the temperature and other circumstances, the pupa rises to the water surface, the dorsal surface of its cephalothorax splits, and the adult mosquito emerges. Source: Internet
They have a second pair of appendages called pedipalps attached to the cephalothorax. Source: Internet
The body of a scorpion is divided into two parts ( tagmata ): the head ( cephalothorax ) and the abdomen ( opisthosoma ), which is subdivided into a broad anterior ( mesosoma ), or preabdomen, and a narrow taillike posterior ( metasoma ), or postabdomen. Source: Internet
The cephalothorax and abdomen are not necessarily the same color. Source: Internet