Weath"er*glass` (?), n. An instrument to indicate the state of the atmosphere, especially changes of atmospheric pressure, and hence changes of weather, as a barometer or baroscope.

Poor man's weatherglass. (Bot.)See under Poor.

Weath"er*glass` (?), n. An instrument to indicate the state of the atmosphere, especially changes of atmospheric pressure, and hence changes of weather, as a barometer or baroscope.

Poor man's weatherglass. (Bot.)See under Poor.