The Collaborative International Dictionary of English v.0.48:

Hip \Hip\, n. [OE. hipe, huppe, AS. hype; akin to D. heup, OHG.
   huf, G. h["u]fte, Dan. hofte, Sw. h["o]ft, Goth. hups; cf.
   Icel. huppr, and also Gr. ? the hollow above the hips of
   cattle, and Lith. kumpis ham.]
   [1913 Webster]
   1. The projecting region of the lateral parts of one side of
      the pelvis and the hip joint; the haunch; the huckle.
      [1913 Webster]

   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.
      [1913 Webster]

   3. (Engin) In a bridge truss, the place where an inclined end
      post meets the top chord. --Waddell.
      [1913 Webster]

   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. --Shak.

   To smite hip and thigh, to overthrow completely; to defeat
      utterly. --Judg. xv. 8.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Hip \Hip\, interj.
   Used to excite attention or as a signal; as, hip, hip, hurra!
   Hip

The Collaborative International Dictionary of English v.0.48:

Hip \Hip\, or Hipps \Hipps\, n.
   See Hyp, n. [Colloq.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

hip \hip\, a.
   1. Aware of the latest ideas, trends, fashions, and
      developments in popular music and entertainment culture;
      not square; -- same as hep.

   Syn: tuned in.
        [PJC]

   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.
      [PJC]

The Collaborative International Dictionary of English v.0.48:

Hip \Hip\, v. t. [imp. & p. p. Hipped; p. pr. & vb. n.
   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.
      [1913 Webster]

   2. To throw (one's adversary) over one's hip in wrestling
      (technically called cross buttock).
      [1913 Webster]

   3. To make with a hip or hips, as a roof.
      [1913 Webster]

   Hipped roof. See Hip roof, under Hip.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Hip \Hip\, n. [OE. hepe, AS. he['o]pe; cf. OHG. hiufo a bramble
   bush.] (Bot.)
   The fruit of a rosebush, especially of the English dog-rose
   (Rosa canina); called also rose hip. [Written also hop,
   hep.]
   [1913 Webster]

   Hip tree (Bot.), the dog-rose.
      [1913 Webster]

WordNet (r) 3.0 (2006):

hip
    adj 1: informed about the latest trends [syn: hep, hip, hip
           to(p)]
    n 1: either side of the body below the waist and above the thigh
    2: the structure of the vertebrate skeleton supporting the lower
       limbs in humans and the hind limbs or corresponding parts in
       other vertebrates [syn: pelvis, pelvic girdle, pelvic
       arch, hip]
    3: the ball-and-socket joint between the head of the femur and
       the acetabulum [syn: hip, hip joint, coxa, articulatio
       coxae]
    4: (architecture) the exterior angle formed by the junction of a
       sloping side and a sloping end of a roof
    5: the fruit of a rose plant [syn: hip, rose hip, rosehip]

Moby Thesaurus II by Grady Ward, 1.0:

103 Moby Thesaurus words for "hip":
   all the rage, all the thing, ankle, articulation, backside, bank,
   beam, behind, border, boundary, broadside, butt, buttocks, cervix,
   cheek, chop, clinch, closure, coast, connecting link,
   connecting rod, connection, coupling, croup, crupper, current,
   dovetail, elbow, embrace, fashionable, flank, gliding joint, go-go,
   groovy, hand, handedness, haunch, haunches, hep, hind end, hinge,
   hinged joint, in fashion, in style, in vogue, interface, into,
   join, joining, joint, jowl, juncture, knee, knuckle, laterality,
   link, many-sidedness, miter, mod, modern, mortise, multilaterality,
   nates, neck, new, newfashioned, on the beam, pivot, pivot joint,
   planking, popular, posterior, prevalent, profile, quarter, rabbet,
   really into, rear, rear end, rump, scarf, seam, shore, shoulder,
   side, siding, smart, stitch, suture, symphysis, temple, tie rod,
   toggle, toggle joint, trendy, unilaterality, union, up-to-date,
   up-to-datish, up-to-the-minute, weld, with it, wrist