Barocyclonometer

Bar`o`cy`clon`om´e`ter


n.1.(Meteorol.) An aneroid barometer for use with accompanying graphic diagrams and printed directions designed to aid mariners to interpret the indications of the barometer so as to determine the existence of a violent storm at a distance of several hundred miles.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.