From WordNet (r) 3.0 (2006) [wn]:
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]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
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]