baroscope Meaning, Definition & Usage

Bar"o*scope noun
Etymology
Gr. weight + -scope: cf. F. baroscope.
Definitions
  1. Any instrument showing the changes in the weight of the atmosphere; also, less appropriately, any instrument that indicates -or foreshadows changes of the weather, as a deep vial of liquid holding in suspension some substance which rises and falls with atmospheric changes.

Webster 1913