Dictionary
pro•tho•rax
Pronunciation: (prō-thôr'aks, -thōr'-), [key]—
n.,
—pl. -tho•rax•es, -tho•ra•cesPronunciation: (-thôr'u-sēz", -thōr'-). [key]
the anterior division of the thorax of an insect, bearing the first pair of legs.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.