Part of speech:
The definition of a barometer is a device that measures the pressure of the atmosphere as an aid to predicting weather.
A person or thing that feels
Find another word for trial-balloon. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for trial-balloon, like: ballon-d-essai, barometer, feeler, fishing question, pilot-balloon, test of public reaction and toe in the water.