pereion

Meaning

The thorax of a crustacean, between the head (cephalon) and abdomen (pleon).

Synonyms

chest

thorax

stethidium

thoracic region

Etymology

Borrowed from New Latin, from Ancient Greek περαιόω (peraióō, “to transport”), so called from the location of the legs on the thorax.
Alternatively, from περί (perí, “around”) + ἰέναι (iénai, “to go”).