prothorax

[ proh-thawr-aks, -thohr- ]

noun

, plural pro·tho·rax·es, pro·tho·ra·ces [proh-, thawr, -, uh, -seez, -, thohr, -].

1. the anterior division of the thorax of an insect, bearing the first pair of legs.

prothorax

/ prəʊˈθɔːræks /

noun

1. See metathorax, mesothorax
   the first segment of the thorax of an insect, which bears the first pair of walking legs See also mesothorax metathorax

Other Words From

• pro·tho·rac·ic [proh-thaw-, ras, -ik, -thoh-], adjective

Word History and Origins

Origin of prothorax¹

From New Latin, dating back to 1820–30; pro- ¹, thorax

Example Sentences

The 17 prothorax, mesothorax, and metathorax bear spines varying in number.

From Project Gutenberg

Elytra fully two-thirds as wide as long, and nearly three-fourths wider than the prothorax.

From Project Gutenberg

Prothorax two-thirds wider than long, sides parallel in basal half, convergent anteriorly.

From Project Gutenberg

The Praying Mantis is a bright green; she boasts an elongated prothorax and an alert gait.

From Project Gutenberg

A narrow and very long prothorax divides the front pair of legs from the two hinder pairs.

From Project Gutenberg