an instrument for measuring arterial blood pressure, consisting of an inflatable band wrapped around the upper arm to compress the artery, and an attached manometer
See sphygmomanometer in American Heritage Dictionary 4
(sfĭgˌmō-mə-nŏmˈĭ-tər) also sphyg·mom·e·ter(sfĭg-mŏmˈĭ-tər)
noun
An instrument for measuring blood pressure in the arteries, especially one consisting of a pressure gauge and a rubber cuff that wraps around the upper arm and inflates to constrict the arteries.