ApocBar 21:8 :ܗ݀ܘ ܕܒܡܢܝܢܐ ܛܘ̈ܦܝ ܡܛܪܐ ܥܠ ܐܪܥܐ ܡܡܛܪ‏ : the one who rains down raindrops in number on the earth
See the entire entry for mṭr vb. to rain