rain
n. C / Un. water that falls from the clouds in small drops. It is the most common type of wet weather.
n. liquid water in the form of droplets that have condensed from atmospheric water vapour and then become heavy enough to fall under gravity.
The rain is falling heavily today.
We had to cancel our picnic because the heavy rain made the grass too muddy to sit on.
The steady rhythm of the rain against the window provided a soothing backdrop to the quiet afternoon of reading.
Etymology tree Proto-Indo-European *Hréǵʰ-der. Proto-Indo-European *Hréǵʰnos? Proto-Germanic *regną Proto-West Germanic *regn Old English reġn Middle English reyn English rain Inherited from Middle English reyn, rein, from Old English reġn, from Proto-West Germanic regn, from Proto-Germanic regną, of uncertain origin. Possibly from pre-Germanic Hréǵ-no-, from Proto-Indo-European Hreǵ- (“to flow”), although the consonant reflexes don't match. Cognates Cognate with Yola rhyne, ryne (“rain”), North Frisian Riin, rin (“rain”), Saterland Frisian Rien (“rain”), West Frisian rein (“rain”), Dutch regen (“rain”), Limburgish raenger, Rään (“rain”), German Low German Regen, Ręgen, Rägen (“rain”), Luxembourgish Reen (“rain”), German Regen (“rain”), Mòcheno reng (“rain”), Vilamovian raan (“rain”), Alemannic German regu, räge, rägä (“rain”), Bavarian Regn, rein (“rain”), Cimbrian regan, réego, reng (“rain”), Yiddish רעגן (regn, “rain”), Danish, Faroese, Icelandic, Norwegian Bokmål, Norwegian Nynorsk and Swedish regn (“rain”), Crimean Gothic reghen (“rain”), Gothic 𐍂𐌹𐌲𐌽 (rign, “rain”).
From Middle English reinen, from Old English reġnian, from Proto-West Germanic regnōn, from Proto-Germanic regnōną, from *regną (“rain”), as above. Cognates Cognate with Cimbrian règhenan, rengen (“to rain”), Dutch regenen (“to rain”), German regnen (“to rain”), Limburgish raengere, rääne (“to rain”), Low German regen (“to rain”), Luxembourgish reenen (“to rain”), Yiddish רעגענען (regenen, “to rain”), Danish, Norwegian Bokmål regne (“to rain”), Faroese, Swedish regna (“to rain”), Icelandic rigna (“to rain”), Norwegian Nynorsk regna, regne (“to rain”).
Uncountable when referring to the water itself; countable when referring to specific periods of rainfall or 'the rains' in tropical climates.