weatherglass

weath·er·glass

W0072200 (wĕth′ər-glăs′)n. An instrument, such as a barometer, designed to indicate changes in atmospheric conditions.

weatherglass

(ˈwɛðəˌɡlɑːs) n (Physical Geography) (not in technical use) any of various instruments, esp a barometer, that measure atmospheric conditions

weath•er•glass

(ˈwɛð ərˌglæs, -ˌglɑs)

n. any of various instruments, as a barometer or a hygroscope, designed to indicate the state of the atmosphere. [1620–30]

Thesaurus

Noun

1.

weatherglass - a simple barometer for indicating changes in atmospheric pressurebarometer - an instrument that measures atmospheric pressure