The Collaborative International Dictionary
Pollicate
Pollicate \Pol"li*cate\,
[L. pollex, pollicis, a thum
] (Zo["o]l.) Having a curved projection or spine on the inner side of a leg joint; -- said of insects.
Wiktionary
pollicate
(context zoology English) Of insects: having a curved projection or spine on the inner side of a leg joint. v
to gesture with the thumb