ˈpäˌleks noun
( plural polli·ces -äləˌsēz)
Etymology: New Latin pollic-, pollex, from Latin, thumb, big toe; akin to Old Slavic palĭcĭ thumb and probably to Latin pollēre to be strong, be able
1. : the first digit of the forelimb : thumb
2. : the dactylopodite in the chela of a crustacean
3. : a unit of length equal to one inch — used formerly in descriptions of invertebrate animals