The Collaborative International Dictionary of English v.0.48:

Camera \Cam"e*ra\, n.; pl. E. Cameras, L. Camerae. [L.
   vault, arch, LL., chamber. See Chamber.]
   A chamber, or instrument having a chamber. Specifically: The
   camera obscura when used in photography. See Camera, and
   Camera obscura.
   [1913 Webster]

   Bellows camera. See under Bellows.

   In camera (Law), in a judge's chamber, that is, privately;
      as, a judge hears testimony which is not fit for the open
      court in camera.

   Panoramic camera, or Pantascopic camera, a photographic
      camera in which the lens and sensitized plate revolve so
      as to expose adjacent parts of the plate successively to
      the light, which reaches it through a narrow vertical
      slit; -- used in photographing broad landscapes. --Abney.
      [1913 Webster]

WordNet (r) 3.0 (2006):

camera
    n 1: equipment for taking photographs (usually consisting of a
         lightproof box with a lens at one end and light-sensitive
         film at the other) [syn: camera, photographic camera]
    2: television equipment consisting of a lens system that focuses
       an image on a photosensitive mosaic that is scanned by an
       electron beam [syn: television camera, tv camera,
       camera]

Moby Thesaurus II by Grady Ward, 1.0:

59 Moby Thesaurus words for "camera":
   Iconoscope, Kodak, Photostat, SLR, X-ray machine, achromatic lens,
   aerial reconnaissance camera, astigmatic lens, astrograph,
   box camera, burning glass, camera obscura, candid camera,
   cinematograph, coated lens, color camera, concave lens,
   concavo-convex lens, condenser, convex lens, eyeglass, eyepiece,
   glass, hand lens, kinematograph, lens, magnifier, magnifying glass,
   meniscus, miniature camera, minicam, motion-picture camera,
   movie camera, object glass, objective, objective prism, ocular,
   photochronograph, photocopier, photomicroscope, photopitometer,
   portrait camera, precision camera, press camera, prism, reader,
   reading glass, reflex camera, spectroscopic camera, stereo camera,
   still camera, telephoto lens, television camera, toric lens,
   tripod camera, twin-lens reflex, varifocal lens,
   vest-pocket camera, zoom lens