weatherglass
weat·herg·lass
noun
1.
a simple barometer for indicating changes in atmospheric pressure
Origin
From weather + glass.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.