Hip n. 1.The projecting region of the lateral parts of one side of the pelvis and the hip joint; the haunch; the huckle.
2.(Arch.) The external angle formed by the meeting of two sloping sides or skirts of a roof, which have their wall plates running in different directions.
3.(Engin) In a bridge truss, the place where an inclined end post meets the top chord.
Hip bone (Anat.), the innominate bone; called also haunch bone and huckle bone.
Hip girdle (Anat.), the pelvic girdle.
Hip joint (Anat.), the articulation between the thigh bone and hip bone.
Hip knob (Arch.), a finial, ball, or other ornament at the intersection of the hip rafters and the ridge.
Hip molding (Arch.), a molding on the hip of a roof, covering the hip joint of the slating or other roofing.
Hip rafter (Arch.), the rafter extending from the wall plate to the ridge in the angle of a hip roof.
Hip roof, Hipped roof (Arch.), a roof having sloping ends and sloping sides. See Hip, n., 2., and Hip, v. t., 3. Hip tile, a tile made to cover the hip of a roof.
To catch upon the hip, or To have on the hip, to have or get the advantage of; a figure probably derived from wresting.
To smite hip and thigh, to overthrow completely; to defeat utterly.
hip adj. (compar. hipper; superl. hippest) 1.Aware of the latest ideas, trends, fashions, and developments in popular music and entertainment culture; not square; same as hep.
Synonyms: tuned in.
2.Aware of the latest fashions and behaving as expected socially, especially in clothing style and musical taste; exhibiting an air of casual sophistication; cool; with it; used mostly among young people in the teens to twenties.
Hip v. t. (past & past part. hipped; pres. part. hipping) 1.To dislocate or sprain the hip of, to fracture or injure the hip bone of (a quadruped) in such a manner as to produce a permanent depression of that side.
2.To throw (one's adversary) over one's hip in wrestling (technically called cross buttock).
3.To make with a hip or hips, as a roof.
Hipped roof. See Hip roof, under Hip. 
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