(obsolete, rare) A koala.

The rhesus macaque, Macaca mulatta

A type of knot tied at the end of a rope to serve as a weight, making it easier to throw the line.

A Central American and South American monkey of the genus Alouatta, noted for their loud calls.

(games) A children's game in which two players keep an object away from a third player (who is in between them) by throwing it past that player.

plural of monkey's fist

(slang, medicine) A new medical student, beginning his/her clinical rotations (often after the first two years of a four-year medical program), or a new resident who is rotating off-service.

(literally) A cage containing a banana with a hole large enough for a monkey's hand to fit in, but not large enough for a monkey's fist (clutching a banana) to come out; anecdotally used to catch monkeys that lack the intellect to let go of the banana and run away.

(idiomatic, offensive, ethnic slur) A lazy black person.

Alternative form of make a monkey out of