Assertion: gibbon's thumb | /r/HasProperty | opposable
Facets:
value: by definition
type: OTHER
Source sentences:
text: All the monkeys belonging to this group sport a thumb that is rotatable and opposable; somewhat like our thumbs.
text: By definition, the thumb is considered ‘opposable’ if it can bend and touch all other digits of the hand, or the foot in the case of non-human animals.
text: It was also created with opposable thumbs, which are excellent design features for tree life given to the gibbon by its Creator.