regenspendenden
Regenspendenden is a German term formed from Regen (rain) and spenden (to donate). It functions as the attributive present participle regenspendend and is used to describe entities that provide or cause rain. The form regenspendenden (with the -en ending) is typically seen in the plural after a definite article, as in die regenspendenden Wolken. The expression is not a standard dictionary entry and is relatively uncommon in everyday language, appearing mainly in poetic, speculative, or technical writing about rainfall.
In usage, regenspendenden can refer to natural rain-bearing phenomena or, in a broader sense, to technologies
Etymologically, the compound is a productivity of German morphology: regen- (rain) plus spenden (to donate) with
See also: Regen, Regenmacher, Wolkenimpfung, Wettermodifikation.