EPISTERNUM

Etymology

Noun

episternum (plural episternums or episterna)

(anatomy) The upper segment of the sternum

(entomology) The anterior part of the pleuron of an insect.

Synonyms

• manubrium

• presternum

Source: Wiktionary

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.)

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

Source: Webster’s Unabridged Dictionary 1913 Edition