opposable
- a capable of being placed opposite to something
the thumb is opposable to the forefinger
- That's because more than logic, morals and opposable thumbs, irony is the pass-card into the human family.
- The consequence: a whole new appreciation for the virtues of the opposable thumb.
- In order to create that arch, the chimp's opposable great toe became aligned with the others, and the toe's muscles and ligaments, which had been used for grasping and climbing .