- 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.
- A glass vessel, usually cylindrical, filled with a
solution which is sensitive to atmospheric changes, indicating by a
clouded appearance, rain, snow, etc., and by clearness, fair weather.