\Tam"bour\, n.
1. (Mus.) A kind of small flat drum; a tambourine.
2. A small frame, commonly circular, and somewhat resembling
   a tambourine, used for stretching, and firmly holding, a
   portion of cloth that is to be embroidered; also, the
   embroidery done upon such a frame; -- called also, in the
   latter sense, {tambour work}.
3. (Arch.) Same as {Drum}, n., 2
   (d) .
4. (Fort.) A work usually in the form of a redan, to inclose
   a space before a door or staircase, or at the gorge of a
   larger work. It is arranged like a stockade.
5. (Physiol.) A shallow metallic cup or drum, with a thin
   elastic membrane supporting a writing lever. Two or more
   of these are connected by an India rubber tube, and used
   to transmit and register the movements of the pulse or of
   any pulsating artery.

\Tam"bour\, v. t. [imp. & p. p. {Tamboured}; p. pr. &
vb. n. {Tambouring}.]
To embroider on a tambour.