[puh-rahy-on, -rey-, -ree-]
- (in a crustacean) the thorax.
Origin of pereion
1850–55; < New Latin, representing Greek peraiôn (present participle of peraioûn to carry about, transport); so called from the location of the legs on the thorax
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018