/ˈɛl.bəʊ/
noun
The joint between the upper arm and the forearm.(by extension) Any turn or bend like that of the elbow, in a wall, building, coastline, etc.; an angular or jointed part of any structure, such as the raised arm of a chair or sofa, or a short pipe fitting, turning at an angle or bent.A detective.Part of a basketball court located at the intersection of the free-throw line and the free-throw lane.A hit with the elbow.verb
To push with the elbow.(by extension) To nudge, jostle or push.