studio

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An artist's workroom.
• noun A photographer's establishment.
• noun An establishment where an art is taught or studied.
• noun A room, building, or group of buildings where movies, television shows, or radio programs are produced.
• noun A room or building where tapes and records are produced.
• noun A company that produces films.
• noun A studio apartment.

from The Century Dictionary.

• noun A room especially arranged for painting, drawing, photographing, or other art-work.

from the GNU version of the Collaborative International Dictionary of English.

• noun The working room of an artist.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun An artist’s or photographer’s workshop or the room in which an artist works.
• noun An establishment where an art is taught.
• noun A place where radio or television programs, records or films are made.
• noun A company or organization that makes films, records or other artistic works.
• noun A studio flat/apartment, especially one having the kitchen, living area, and sleeping area in a single room.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun workplace consisting of a room or building where movies or television shows or radio programs are produced and recorded
• noun workplace for the teaching or practice of an art
• noun an apartment with a living space and a bathroom and a small kitchen