one of the abdominal ambulatory processes of caterpillars and other larvae, as distinct from the true or thoracic legs.

Origin of proleg

First recorded in 1810–20; pro-1 + leg Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for proleg

Historical Examples of proleg

British Dictionary definitions for proleg



any of the short paired unjointed appendages on each abdominal segment of a caterpillar and any of certain other insect larvae

Word Origin for proleg

C19: from pro- 1 + leg
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