The Collaborative International Dictionary of English v.0.48:

guy \guy\, v. t. [imp. & p. p. guyed (g[imac]d); p. pr. & vb.
   n. guying.]
   To steady or guide with a guy.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

guy \guy\, n.
   1. A grotesque effigy, like that of Guy Fawkes, dressed up in
      England on the fifth of November, the day of the Gunpowder
      Plot.
      [1913 Webster]

            The lady . . . who dresses like a guy. --W. S.
                                                  Gilbert.
      [1913 Webster]

   2. Hence: A person of queer looks or dress. [Chiefly Brit.
      slang] --Dickens.
      [1913 Webster]

   3. A man or young man; a fellow; -- usually contrasted with
      gals or girls as, it was fun for both the guys and
      gals; the guys were watching football while the girls
      played bridge. [Informal]
      [PJC]

   4. A member of a group of either sex, usually a friend or
      comrade; -- usually used in the pl.; as, tell the guys to
      come inside; are any of you guys interested in a game of
      tennis?. [Informal]
      [PJC]

   great guy a man who has a very pleasant personality,
      typically one who is friendly, generous, and pleasant to
      associate with.
      [PJC]

The Collaborative International Dictionary of English v.0.48:

guy \guy\ (g[imac]), n. [Sp. guia guide, a guy or small rope
   used on board of ships to keep weighty things in their
   places; of Teutonic origin, and the same word as E. guide.
   See Guide, and cf. Gye.]
   A rope, chain, or rod attached to anything to steady it; as:
   a rope to steady or guide an object which is being hoisted or
   lowered; a rope which holds in place the end of a boom, spar,
   or yard in a ship; a chain or wire rope connecting a
   suspension bridge with the land on either side to prevent
   lateral swaying; a rod or rope attached to the top of a
   structure, as of a derrick, and extending obliquely to the
   ground, where it is fastened.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Guy \Guy\, v. t.
   To fool; to baffle; to make (a person) an object of ridicule.
   [Local & Collog U.S.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

guy
    n 1: an informal term for a youth or man; "a nice guy"; "the
         guy's only doing it for some doll" [syn: guy, cat,
         hombre, bozo]
    2: an effigy of Guy Fawkes that is burned on a bonfire on Guy
       Fawkes Day
    3: a cable, wire, or rope that is used to brace something
       (especially a tent) [syn: guy, guy cable, guy wire,
       guy rope]
    v 1: subject to laughter or ridicule; "The satirists ridiculed
         the plans for a new opera house"; "The students poked fun
         at the inexperienced teacher"; "His former students roasted
         the professor at his 60th birthday" [syn: ridicule,
         roast, guy, blackguard, laugh at, jest at, rib,
         make fun, poke fun]
    2: steady or support with a guy wire or cable; "The Italians
       guyed the Tower of Pisa to prevent it from collapsing"

Moby Thesaurus II by Grady Ward, 1.0:

118 Moby Thesaurus words for "guy":
   Adamite, advocate, alpenstock, arm, athletic supporter, back,
   backbone, backing, bandeau, bastard, bearer, being, bird, bloke,
   body, boy, bra, brace, bracer, bracket, brassiere, buck, bugger,
   buttress, cane, caricature, carrier, cat, cervix, chap, character,
   corset, creature, crook, crutch, customer, duck, dude, earthling,
   feller, fellow, foundation garment, fulcrum, gazebo, gee, geezer,
   gent, gentleman, girdle, groundling, guywire, hand, he, head, homo,
   human, human being, individual, jasper, jock, jockstrap, joker,
   lad, lampoon, life, living soul, mainstay, maintainer, make fun of,
   man, mast, mock, mortal, neck, nose, one, party, person, personage,
   personality, poke fun at, prop, reinforce, reinforcement,
   reinforcer, rest, resting place, rib, ridicule, rigging, satirize,
   send up, shoulder, shroud, single, somebody, someone, soul, spine,
   sprit, staff, standing rigging, stave, stay, stick, stiffener,
   strengthener, stud, support, supporter, sustainer, take off,
   tellurian, terran, upholder, walking stick, worldling, youth



U.S. Gazetteer Places (2000):

Guy, AR -- U.S. town in Arkansas
   Population (2000):    202
   Housing Units (2000): 92
   Land area (2000):     0.920587 sq. miles (2.384310 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.920587 sq. miles (2.384310 sq. km)
   FIPS code:            29230
   Located within:       Arkansas (AR), FIPS 05
   Location:             35.324584 N, 92.334935 W
   ZIP Codes (1990):     72061
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Guy, AR
    Guy