Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: prothonotary warbler
Next word: prothrombin
Definition of: prothorax
(prō·thôr′aks, -thō′raks) noun plural ·rax·es or ·tho·ra·ces (-thôr′ə·sēz, -thō′rə-) Entomol.
The anterior segment of the thorax of an insect. [<NL <Gk. pro- in front + thorax thorax]
—pro·tho·rac·ic (prō′thô·ras′·ik, -thō-) adjective
Comment about this word, ask questions, or add new information about this topic: