Breadcrumb Home > Dictionary > Index M mesothorax: Meaning and Definition of Find definitions for: mes•o•tho•rax Pronunciation: (mez"u-thôr'aks, -thōr'-, mes"-, mē"zu-, -su-), [key] — pl. -tho•rax•es, -tho•ra•ces the middle segment of the three divisions of the thorax of an insect, bearing the second pair of legs and the first pair of wings. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mesothelium mesotron TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: apotheosis Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language