The Collaborative International Dictionary of English v.0.48:

Comb \Comb\ (k[=o]m; 110), n. [AS. camb; akin to Sw., Dan., & D.
   kam, Icel. kambr, G. kamm, Gr. ? a grinder tooth, Skr. jambha
   tooth.]
   1. An instrument with teeth, for straightening, cleansing,
      and adjusting the hair, or for keeping it in place.
      [1913 Webster]

   2. An instrument for currying hairy animals, or cleansing and
      smoothing their coats; a currycomb.
      [1913 Webster]

   3. (Manuf. & Mech.)
      (a) A toothed instrument used for separating and cleansing
          wool, flax, hair, etc.
      (b) The serrated vibratory doffing knife of a carding
          machine.
      (c) A former, commonly cone-shaped, used in hat
          manufacturing for hardening the soft fiber into a bat.
      (d) A tool with teeth, used for chasing screws on work in
          a lathe; a chaser.
      (e) The notched scale of a wire micrometer.
      (f) The collector of an electrical machine, usually
          resembling a comb.
          [1913 Webster]

   4. (Zool.)
      (a) The naked fleshy crest or caruncle on the upper part
          of the bill or hood of a cock or other bird. It is
          usually red.
      (b) One of a pair of peculiar organs on the base of the
          abdomen of scorpions.
          [1913 Webster]

   5. The curling crest of a wave.
      [1913 Webster]

   6. The waxen framework forming the walls of the cells in
      which bees store their honey, eggs, etc.; honeycomb. "A
      comb of honey." --Wyclif.
      [1913 Webster]

            When the bee doth leave her comb.     --Shak.
      [1913 Webster]

   7. The thumbpiece of the hammer of a gunlock, by which it may
      be cocked.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Comb \Comb\, n.
   A dry measure. See Coomb.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Comb \Comb\, v. t. [imp. & p. p. Combed; p. pr. & vb. n.
   Combing.]
   To disentangle, cleanse, or adjust, with a comb; to lay
   smooth and straight with, or as with, a comb; as, to comb
   hair or wool. See under Combing.
   [1913 Webster]

         Comb down his hair; look, look! it stands upright.
                                                  --Shak.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Comb \Comb\, v. i. [See Comb, n., 5.] (Naut.)
   To roll over, as the top or crest of a wave; to break with a
   white foam, as waves.
   [1913 Webster] Comb

The Collaborative International Dictionary of English v.0.48:

Comb \Comb\, Combe \Combe\ (? or ?), n. [AS. comb, prob. of
   Celtic origin; cf. W. cwm a dale, valley.]
   That unwatered portion of a valley which forms its
   continuation beyond and above the most elevated spring that
   issues into it. [Written also coombe.] --Buckland.
   [1913 Webster]

         A gradual rise the shelving combe
         Displayed.                               --Southey.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Coomb \Coomb\, n. [AS. cumb a liquid measure, perh. from LL.
   cumba boat, tomb of stone, fr. Gr. ? hollow of a vessel, cup,
   boat, but cf. G. kumpf bowl.]
   A dry measure of four bushels, or half a quarter. [Written
   also comb.]
   [1913 Webster] Coomb

WordNet (r) 3.0 (2006):

comb
    n 1: a flat device with narrow pointed teeth on one edge;
         disentangles or arranges hair
    2: the fleshy red crest on the head of the domestic fowl and
       other gallinaceous birds [syn: comb, cockscomb,
       coxcomb]
    3: any of several tools for straightening fibers
    4: ciliated comb-like swimming plate of a ctenophore
    5: the act of drawing a comb through hair; "his hair needed a
       comb" [syn: comb, combing]
    v 1: straighten with a comb; "comb your hair"
    2: search thoroughly; "They combed the area for the missing
       child" [syn: comb, ransack]
    3: smoothen and neaten with or as with a comb; "comb your hair
       before dinner"; "comb the wool" [syn: comb, comb out,
       disentangle]

Moby Thesaurus II by Grady Ward, 1.0:

50 Moby Thesaurus words for "comb":
   be poised, beat, billow, break, card, crash, curry, dash,
   ebb and flow, examine, forage, grub, hackle, hatchel, heave,
   heckle, inspect, investigate, lift, look all over, look everywhere,
   peak, popple, probe, rake, ransack, rifle, rise, rise and fall,
   roll, rummage, scend, scour, scrutinize, search,
   search high heaven, send, separate, shake, shake down, sift, smash,
   surge, swell, toss, turn inside out, turn upside down, undulate,
   wave, winnow