- Instrument for measuring air pressure - Instrument which pressure - It’s telling, when the pressure’s on, to barter about Romeo’s heart - Meteorologist's tool - Weather instrument - Weather-glass - An instrument for determining the weight or pressure of
the atmosphere, and hence for judging of the probable changes of
weather, or for ascertaining the height of any ascent.
- An instrument to indicate the state of the
atmosphere, especially changes of atmospheric pressure, and hence
changes of weather, as a barometer or baroscope.
- 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.