Merriam-Webster Collegiate Dictionary - boy

 noun  Usage: often attributive  Etymology: Middle English  Date: 13th century  1. often offensive a male servant  2.  a. a male child from birth to adulthood  b. son  c. an immature male separate the men from the ~s ~ genius  d. sweetheart, beau  3.  a. one native to a given place local ~  b. fellow, person the ~s at the office  c. — used interjectionally to express intensity of feeling ~, what a game  • ~hood noun  • ~ish adjective  • ~ishly adverb  • ~ishness noun