Dictionary

synthorax en · NOUN

Etymology

From syn- + thorax.

Meanings

1. In dragonflies and damselflies, the mesothorax and metathorax when fused together.
   • The meso- and metathorax are large and powerful, and become fused together into one solid mass, which may conveniently be termed the synthorax. 1917, R. J. Tillyard, The Biology of Dragonflies, Cambridge University Press, archived from the original on 03 Jul 2017, page 20:

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