Category:Episternum

Ep`i*ster"num, n.; pl. Episterna. Etym: [NL. See Epi-, and Sternum.]

1. (Anat.) (a) A median bone connected with the sternum, in many vertebrates; the interclavicle. (b) Same as Epiplastron.

2. (Zoöl.)

Defn: One of the lateral pieces next to the sternum in the thorax of insects.