plural of elbow bone; ulnae, ulnas; olecranons. / The parts of both the ulna (forearm bone) and the humerus (upper arm bone) that make up the elbow joint.

(rare) Synonym of elbow grease

(anatomy) Ulna, the main forearm bone. / (anatomy) Olecranon, at the elbow end of the ulna.

(computing, dated) of a program that steals whatever resources it needs without consideration for other tasks.

a painful inflammation of the extensor tendon of the humerus caused by overuse of the muscles of the lower arm

(idiomatic) Effort or hard work, especially physical work involving repeated motion of the forearm, such as scrubbing.

Room or space in which to move or maneuver. / (figuratively) Freedom or leeway.

In plumbing, a fitting that turns a corner (typically at an angle of 90, 45 or 22.5 degrees) and has a male connection at one end and a female connection at the other.

(transitive, slang, Britain) To fire (an employee); to end a relationship with someone; to reject someone.

(idiomatic, usually followed by with) To associate closely; to socialize, consort, or mingle.