opposable thumb
opposable thumb · opposable thumbs
A thumb that can be positioned so that it faces the opposite direction from that of…A thumb that can be positioned so that it faces the opposite direction from that of the other fingers, especially the smallest finger, of the same hand.
» Humans wouldn't have gotten where they are without opposable thumbs.
Meaning
1 sensesA thumb that can be positioned so that it faces the opposite direction from that of the other fingers, especially the smallest finger, of the same hand.
Examples
1 sentencesHumans wouldn't have gotten where they are without opposable thumbs.
Forms
plural: opposable thumbs| Singular | opposable thumb |
|---|---|
| Plural | opposable thumbs |
regular