weatherglass

Noun.  An instrument to indicate the state of the atmosphere, especially changes of atmospheric pressure, and hence changes of weather, such as a barometer or baroscope.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.