1st_ Ice water crystals falling into the atmosphere in the form of white flakes. By association is the same snowfall, ice creams, and even white cocaine powder. 2o_ First (as 'I'), second (as 'you' ) and third (as 'he/she' ) people in singular present of subjunctive mode, and second (as 'you' ) and third (as 'he/she' ) singular imperative persons for the verb snow. See verbs/snow .