n. a mechanical device used to measure blood pressure and pulse
the GNU version of the Collaborative International Dictionary of English
n. An instrument which, when applied over an artery, indicates graphically the movements or character of the pulse. See sphygmogram.
The Century Dictionary and Cyclopedia
n. An instrument which, when applied over an artery, traces on a piece of paper moved by clockwork a curve which indicates the changes of tension of the blood within.
Word Usage
"As a student she constructed a sphygmograph for recording the pulse in arteries."