rainfall rainer • rainfowl · · · Info · Definitions · Synonyms · Characters · · rainfall · · Text Latin · · Script 8 · · Length Definitions · · · (noun) water falling in drops from vapor condensed in the atmosphere. Synonyms: rain. · · Noun Definition 1 Synonyms · · · rain · · Synonym 1 Characters · · a latin small letter a U+0061 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072