Source : Webster's Revised Unabridged Dictionary (1913)

Boy \Boy\, n. [Cf. D. boef, Fries. boi, boy; akin to G. bube,
   Icel. bofi rouge.]
   A male child, from birth to the age of puberty; a lad; hence,
   a son.

         My only boy fell by the side of great Dundee. --Sir W.
                                                  Scott.

   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.

   {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.