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metathorax

[ met-uh-thawr-aks, -thohr- ]

noun

, plural met·a·tho·rax·es, met·a·tho·ra·ces [met-, uh, -, thawr, -, uh, -seez, -, thohr, -].
  1. the posterior division of the thorax of an insect, bearing the third pair of legs and the second pair of wings.


metathorax

/ ˌmɛtəˈθɔːræks; ˌmɛtəθɔːˈræsɪk /

noun

  1. the third and last segment of an insect's thorax, which bears the third pair of walking legs and the second pair of wings See also prothorax mesothorax
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • metathoracic, adjective
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Other Words From

  • met·a·tho·rac·ic [met-, uh, -thaw-, ras, -ik, -thoh-], adjective
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Word History and Origins

Origin of metathorax1

First recorded in 1810–20; meta- + thorax
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Example Sentences

But the loudest and most remarkable vocal organs of all insects are those of the male cicads, which “sing” by the rapid vibration of a pair of “drums” or membranes within the metathorax.

Metathorax: m, Scutum. o, Epimeron. p, Coxa of hind leg. n, First Abdominal Segment. t, Tegula at base of fore-wing.

Wings.—Two pairs of wings are present in the vast majority of insects, borne respectively on the mesothorax and metathorax.

First abdominal segment united to metathorax.

Metathorax, met-a-thō′raks, n. the third segment of an insect's thorax.—adj.

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