elbow

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The joint or bend of the arm between the forearm and the upper arm.
• noun The bony outer projection of this joint.
• noun A joint, as of a bird or quadruped, corresponding to the human elbow.
• noun Something having a bend or angle similar to an elbow, especially.
• noun A length of pipe with a sharp bend in it.
• noun A sharp bend in a river or road.
• intransitive verb To push, jostle, or shove with the elbow.
• intransitive verb To open up (a means of passage, for example) by or as if by use of the elbow.
• intransitive verb To make one's way by pushing with the elbow.
• intransitive verb To turn at an angle; bend.
• idiom (at (one's) elbow) Close at hand; nearby.
• idiom (out at the elbows) Poorly dressed.
• idiom (out at the elbows) Lacking money.

from The Century Dictionary.

• noun In carriages, the rail that, forms the upper part of the frame of the quarter.
• To push or shove with or as if with the elbow; hence, figuratively, to push or thrust by overbearing means; crowd: as, to elbow people aside in a crowd; to elbow a rival out of the way.
• To make or gain by pushing with the elbows: as, to elbow one's way through a crowd.
• To jut into an angle; project; bend or curve abruptly, as a wall or a stream.
• To jostle with or as if with the elbow; push one's way; hence, figuratively, to be rudely self-assertive or aggressive.
• noun The bend of the arm; the angle made by bending the arm at the junction of the upper arm with the forearm.
• noun In anatomy, the elbow-joint and associate structures. See elbow-joint.
• noun Something curved or bent like the human elbow; specifically, a flexure or angle of a wall or road, especially if not acute; a sudden turn or bend in a river or the sea-coast; a jointed or curved piece of pipe for water, smoke, gas, etc., designed to connect two lines running at an angle to each other.
• noun In carpentry, etc., one of the upright sides which flank any paneled work. See crosset.
• noun The raised arm of a chair or end of a sofa, designed to support the arm or elbow.
• noun A shoulder-point in cattle. Grose. —At one's elbow, near at hand; convenient; within call.

from the GNU version of the Collaborative International Dictionary of English.

• transitive verb To push or hit with the elbow, as when one pushes by another.
• transitive verb to force one's way by pushing with the elbows.
• noun The joint or bend of the arm; the outer curve in the middle of the arm when bent.
• noun Any turn or bend like that of the elbow, in a wall, building, and the like; a sudden turn in a line of coast or course of a river; also, an angular or jointed part of any structure, as the raised arm of a chair or sofa, or a short pipe fitting, turning at an angle or bent.
• noun (Arch.) A sharp angle in any surface of wainscoting or other woodwork; the upright sides which flank any paneled work, as the sides of windows, where the jamb makes an elbow with the window back.
• noun very near; at hand.
• noun [Low] energetic application of force in manual labor.
• noun (Naut.) the twisting together of two cables by which a vessel rides at anchor, caused by swinging completely round once.
• noun (Surg.) scissors bent in the blade or shank for convenience in cutting.
• noun with coat worn through at the elbows; shabby; in needy circumstances.
• intransitive verb To jut into an angle; to project or to bend after the manner of an elbow.
• intransitive verb To push rudely along; to elbow one's way.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The joint between the upper arm and the forearm.
• noun A pipe fitting that turns a corner.
• noun US, obsolete A detective.
• verb To push with the elbow; to jostle or force.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a sharp bend in a road or river
• verb shove one's elbow into another person's ribs
• verb push one's way with the elbows
• noun hinge joint between the forearm and upper arm and the corresponding joint in the forelimb of a quadruped
• noun a length of pipe with a sharp bend in it
• noun the joint of a mammal or bird that corresponds to the human elbow
• noun the part of a sleeve that covers the elbow joint