Nouns

(n)elbow, elbow joint, human elbow, cubitus, cubital joint, articulatio cubitihinge joint between the forearm and upper arm and the corresponding joint in the forelimb of a quadruped
(n)elbowa sharp bend in a road or river
(n)elbowa length of pipe with a sharp bend in it
(n)elbowthe part of a sleeve that covers the elbow joint“his coat had patches over the elbows”
(n)elbowthe joint of a mammal or bird that corresponds to the human elbow

Verbs

(v)elbowpush one's way with the elbows
(v)elbowshove one's elbow into another person's ribs