a kind of small flat drum; a tambourine.-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.-same as drum, n., 2(d).-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.-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.-to embroider on a tambour.