Definition of: thorax

(thôr′aks, thō′raks) noun plural tho·rax·es or tho·ra·ces (thôr′ə·sēz, thō′rə-)
1. Anat. The part of the body between the neck and the abdomen, enclosed by the ribs.
2. Entomol. The middle region of the body of an insect, between the head and the abdomen.
3. Zool. The corresponding region of the body in other arthropods. [<L <Gk. thōrax]
THORAX
a. Manubrium.
b. Gladiolus.
c. Ensiform cartilage.
d. Clavicle.
e. Scapula.
f. Sternal ribs.
g. False ribs.
h. Floating ribs.
i. Costal arch.
j. Costal cartilage.