from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An instrument for measuring rainfall.
from the GNU version of the Collaborative International Dictionary of English
- n. An instrument for measuring the rain that falls; a rain gauge.
from The Century Dictionary and Cyclopedia
- n. A machine or an instrument designed to measure the quantity of rainfall. See rain-gage.
Ancient Greek (Wiktionary)
In the years 1845 and '6, from July to January, within a period of six months, _ten feet of rain_ was measured by an ombrometer, having fallen at Hong-Kong.