from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The anterior division of the thorax of an insect, bearing the first pair of legs.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The anterior part of the insect thorax; it carries the first pair of legs

from the GNU version of the Collaborative International Dictionary of English

  • n. The first or anterior segment of the thorax in insects. See Illusts. of butterfly and coleoptera.

from The Century Dictionary and Cyclopedia

  • n. In Insecta, the first one of the three thoracic somites, which succeeds the head, is succeeded by the mesothorax, and bears the first pair of legs.
  • n. See the adjectives.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the anterior part of an insect's thorax; bears the first pair of legs


Sorry, no etymologies found.



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