Noun: cephalothorax (cephalothoraces,cephalothoraxes) ,se-fu-low'tho,raks
- (zoology) the fused head and thorax of some arthropods, such as spiders and crustaceans
"The cephalothorax of a crab houses most of its vital organs"
Derived forms: cephalothoraces, cephalothoraxes
Encyclopedia: Cephalothorax