sphyg·mo·ma·nom·e·ter 
(sfĭg′mō-mə-nŏmĭ-tər) also sphyg·mom·e·ter (sfĭg-mŏmĭ-tər)
(sfĭg′mō-mə-nŏmĭ-tər) also sphyg·mom·e·ter (sfĭg-mŏmĭ-tər)n.
An instrument for measuring blood pressure in the arteries, especially one consisting of a pressure gauge and a nylon or rubber cuff that wraps around the upper arm and inflates to constrict the arteries.
sphyg′mo·man′o·metric (-măn′ə-mĕtrĭk) adj.
sphyg′mo·man′o·metri·cal·ly adv.
sphyg′mo·ma·nome·try n.
sphygmomanometer