The Collaborative International Dictionary of English v.0.48:

Crease \Crease\, v. t. [imp. & p. p. Creased (kr?st); p. pr. &
   vb. n. Creasing.]
   To make a crease or mark in, as by folding or doubling.
   [1913 Webster]

         Creased, like dog's ears in a folio.     --Gray.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Crease \Crease\ (kr[=e]s), n.
   See Creese. --Tennyson.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Crease \Crease\, n. [Cf. LG. krus, G. krause, crispness,
   krausen, kr[aum]usen, to crisp, curl, lay on folds; or perh.
   of Celtic origin; cf. Armor. kriz a wrinkle, crease, kriza to
   wrinkle, fold, W. crych a wrinkle, crychu to rumple, ripple,
   crease.]
   1. A line or mark made by folding or doubling any pliable
      substance; hence, a similar mark, however produced.
      [1913 Webster]

   2. (Cricket) One of the lines serving to define the limits of
      the bowler and the striker.
      [1913 Webster]

   3. (Lacrosse) The combination of four lines forming a
      rectangle inclosing either goal, or the inclosed space
      itself, within which no attacking player is allowed unless
      the ball is there; -- called also goal crease.
      [Webster 1913 Suppl.]

   Bowling crease (Cricket), a line extending three feet four
      inches on each side of the central strings at right angles
      to the line between the wickets.

   Return crease (Cricket), a short line at each end of the
      bowling crease and at right angles to it, extending toward
      the bowler.

   Popping crease (Cricket),, a line drawn in front of the
      wicket, four feet distant from it, parallel to the bowling
      crease and at least as long as the latter. --J. H. Walsh
      (Encyc. of Rural Sports).
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Creese \Creese\ (kr[=e]s), n. [Malay. kris.]
   A dagger or short sword used by the Malays, commonly having a
   serpentine blade. [Written also crease and kris.]
   [1913 Webster]

         From a Malayan creese to a sailor's jackknife. --Julian
                                                  Hawthorne.
   [1913 Webster]

WordNet (r) 3.0 (2006):

crease
    n 1: an angular or rounded shape made by folding; "a fold in the
         napkin"; "a crease in his trousers"; "a plication on her
         blouse"; "a flexure of the colon"; "a bend of his elbow"
         [syn: fold, crease, plication, flexure, crimp,
         bend]
    2: a slight depression in the smoothness of a surface; "his face
       has many lines"; "ironing gets rid of most wrinkles" [syn:
       wrinkle, furrow, crease, crinkle, seam, line]
    3: a Malayan dagger with a wavy blade [syn: kris, creese,
       crease]
    v 1: make wrinkles or creases on a smooth surface; make a
         pressed, folded or wrinkled line in; "The dress got
         wrinkled"; "crease the paper like this to make a crane"
         [syn: wrinkle, ruckle, crease, crinkle, scrunch,
         scrunch up, crisp]
    2: make wrinkled or creased; "furrow one's brow" [syn: furrow,
       wrinkle, crease]
    3: scrape gently; "graze the skin" [syn: graze, crease,
       rake]
    4: become wrinkled or crumpled or creased; "This fabric won't
       wrinkle" [syn: rumple, crumple, wrinkle, crease,
       crinkle]

Moby Thesaurus II by Grady Ward, 1.0:

87 Moby Thesaurus words for "crease":
   autolithograph, be a printmaker, carve, character, chisel, cocker,
   cockle, corrugate, corrugation, crankle, creasing, cribble, crimp,
   crimple, crinkle, crisp, crosshatch, crumple, cut, dog-ear, double,
   double over, doubling, duplicature, enchase, enfold, engrave,
   flection, flexure, flounce, flute, fold, fold over, frill, furrow,
   gather, grave, groove, hatch, incise, infold, inscribe, interfold,
   knit, knot, lap over, lapel, lappet, line, lithograph, make prints,
   mark, plait, plat, pleat, plica, plicate, plication, plicature,
   ply, print, pucker, purse, quill, ridge, rimple, ripple, rivel,
   ruche, ruching, ruck, ruckle, ruff, ruffle, rumple, score, scrape,
   scratch, sculpture, shirr, stipple, tool, tuck, turn over, twill,
   wimple, wrinkle