- the dorsal sclerite of the prothorax of an insect.
Origin of pronotum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for pronotum
Posterior lateral margins: in Orthoptera, extend from base of pronotum downward to the posterior angle of sides.
Sub-cristate: with a moderately elevated ridge or keel on pronotum, in Orthoptera.
The pronotum and elytra are often adorned with bright colours or metallic lustre, and marked with stripes or spots.
The downwardly directed head is covered by the pronotum, and the three terminal antennal segments form a distinct club.
Pronotal carina: in Orthoptera, the main or median carina on pronotum.
- the notum of the prothorax of an insect
C19: pro- ² + notum
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