pollex

Plural: pollexes, pollices

Noun

• The innermost digit of the forelimb; a thumb.
• the thick short innermost digit of the forelimb
• The thumb; the first, or preaxial, digit of the forelimb, corresponding to the hallux in the hind limb. In birds, the pollex is the joint which bears the alula or bastard wing.

Examples

• He pointed to the crucial tile with his pollex, indicating its perfect placement.

Synonyms

thumb

Related Words

hallux, POLLICAL