Source : Webster's Revised Unabridged Dictionary (1913)

Studio \Stu"di*o\, n.; pl. {Studios}. [It. studio, properly,
   study. See {Study}.]
   The working room of an artist.

Source : WordNet®

studio
     n 1: workplace for the teaching or practice of an art; "she ran a
          dance studio"; "the music department provided studios
          for their students"; "you don't need a studio to make a
          passport photograph"
     2: an apartment with a living space and a bathroom and a small
        kitchen [syn: {studio apartment}]
     3: workplace consisting of a room or building where movies or
        television shows or radio programs are produced and
        recorded