Dictionary entry

Proleg

Webster's Dictionary 1913

Pro″leg (?), n. [Pref. pro- for, in place of + leg.] (Zoöl.) One of the fleshy legs found on the abdominal segments of the larvæ of Lepidoptera, sawflies, and some other insects. Those of Lepidoptera have a circle of hooks. Called also proped, propleg, and falseleg.