elbow
n//ˈɛlboʊ//armbåge, armbåga
(anatomy) 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.
(transitive) To push with the elbow or elbows; to forge ahead using the elbows to assist.