: a fleshy leg that occurs on an abdominal segment of some insect larvae but not in the adult
Examples of proleg in a Sentence
Recent Examples on the Web
In contrast, the green cloverworm is one of the species with only four pairs of prolegs (the pairs on the middle abdominal segments and one pair on the last abdominal segment).
—
oregonlive, 26 Jan. 2023
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
oregonlive, 26 Jan. 2023
Cite this Entry
“Proleg.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/proleg. Accessed 2 Jul. 2025.
Copy CitationKids Definition
proleg
noun
pro·leg
ˈprō-ˌleg 
: a fleshy leg on the abdomen of some insect larvae
Love words? Need even more definitions?
Merriam-Webster unabridged
Share