[1] : The Collaborative International Dictionary of English v.0.48

boy \boy\, v. t.
   to act as a boy; -- in allusion to the former practice of
   boys acting women's parts on the stage.
   1913 webster

         i shall see
         some squeaking cleopatra boy my greatness. --shak.
   1913 webster boyar

[2] : The Collaborative International Dictionary of English v.0.48

boy \boy\, n. cf. d. boef, fries. boi, boy; akin to g. bube,
   icel. bofi rouge.
   1. a male child, from birth to the age of puberty; a lad;
      hence, a son.
      1913 webster

            my only boy fell by the side of great dundee. --sir
                                                  w. scott.
      1913 webster

   note: boy is often used as a term of comradeship, as in
         college, or in the army or navy. in the plural used
         colloquially of members of an associaton, fraternity,
         or party.
         1913 webster

   2. in various countries, a male servant, laborer, or slave of
      a native or inferior race; also, any man of such a race;
      -- considered derogatory by those so called, and now
      seldom used. derog.

            he reverted again and again to the labor difficulty,
            and spoke of importing boys from capetown. --frances
                                                  macnab.
      webster 1913 suppl.

   boy bishop, a boy usually a chorister elected bishop, in
      old christian sports, and invested with robes and other
      insignia. he practiced a kind of mimicry of the ceremonies
      in which the bishop usually officiated.

   the old boy, the devil. slang

   yellow boys, guineas. slang, eng.

   boy's love, a popular english name of southernwood
      artemisia abrotonum; -- called also lad's love.

   boy's play, childish amusements; anything trifling.
      1913 webster
see also:
boy bishop the old boy yellow boys boy's love artemisia abrotonum lad's love 
boy's play 

[3] : WordNet (r) 2.0

boy
     n 1: a youthful male person; "the baby was a boy"; "she made the
          boy brush his teeth every night"; "most soldiers are
          only boys in uniform" syn: male child ant: female
          child, female child
     2: a friendly informal reference to a grown man; "he likes to
        play golf with the boys"
     3: a male human offspring; "their son became a famous judge";
        "his boy is taller than he is" syn: son ant: daughter,
         daughter
     4: ethnic slur offensive term for black man; "get out of my
        way, boy"
see also:
male child female child female child son daughter 

[4] : Moby Thesaurus II by Grady Ward, 1.0

93 moby thesaurus words for "boy":
   american indian, amerind, australian aborigine, bushman, caucasian,
   indian, malayan, mister charley, mongolian, negrillo, negrito,
   negro, oriental, red indian, wasp, black, black man, blackfellow,
   bloke, brown man, bub, bubba, buck, bud, buddy, burrhead,
   chauffeur, coachman, colored person, colt, coon, cub, darky,
   driver, equerry, fellow, fledgling, gamin, gardener, gee, gent,
   gentleman, gillie, goody, gook, guy, he, hobbledehoy, honky,
   houseboy, houseman, jigaboo, jungle bunny, lad, laddie,
   lord-in-waiting, man, manchild, manservant, master, muchacho,
   nigger, niggra, ofay, paleface, pup, puppy, pygmy, ragamuffin,
   red man, redskin, schoolboy, slant-eye, small fry, son, sonny,
   sonny boy, spade, street arab, stripling, tad, the man, urchin,
   valet, valet de chambre, whelp, whippersnapper, white, white man,
   whitey, yellow man, young man, youth

Boy >> B Words
Boy, definition of term: Boy
boy_pag1.html

Boy Scout >> B Words
Boy Scout, definition of term: Boy Scout
boy+scout_pag1.html

Bat Boy >> B Words
Bat Boy, definition of term: Bat Boy
bat+boy_pag1.html