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

boy scout \boy scout\
   orig., a member of the "boy scouts," an organization of boys
   founded in 1908, by sir r. s. s. baden-powell, to promote
   good citizenship by creating in them a spirit of civic duty
   and of usefulness to others, by stimulating their interest in
   wholesome mental, moral, industrial, and physical activities,
   etc. hence, a member of any of the other similar
   organizations, which are now worldwide. in "the boy scouts of
   america" the local councils are generally under a scout
   commissioner, under whose supervision are scout masters, each
   in charge of a troop of two or more patrols of eight scouts
   each, who are of three classes, tenderfoot, second-class
   scout, and first-class scout.
   webster 1913 suppl.
see also:
tenderfoot second-class scout first-class scout 

[2] : WordNet (r) 2.0

boy scout
     n 1: a boy who is a member of the boy scouts
     2: a man who is considered naive

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

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

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