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1.
A slushy mix of snow flakes and rain droplets. The outter layer of a snain flake is soft and slushy while the inner core is icy. This wintry mix makes walking and driving rather fun
Donna had a great time playing in the snain.
by Guido April 24, 2005
 
2.
Verb: Pronounced (SNAYN): To rain and snow at the same time, usually uncomfortably cold when doing so, mostly happens when you arent prepared for the weather. Michigan is the only state it seems to happen in.
Good lord is it really Snaining? I'm freezin my cheeks off here.
by bonesaw11 November 17, 2010
 
3.
A combination of snow and rain.
It was snaining out this morning.
by Thunderin_Herd99 March 31, 2009
 
4.
A mix of snow and rain. Either wet snow or slow rain.
Wear your raincoat and your mittens its snaining outside.
by Dr. Morris December 13, 2012
 
5.
A meteorological phenomenon characterized by simultaneous precipitation of snow and rain, beginning shortly after the end of summer
It's always snaining in Erie, Pennsylvania.
by tsutsugamushi October 16, 2009
 
6.
Noun - combination of snow and rain, precipitation of snow and rain

Verb - to snain, to precipitate combination of snow and rain
It was snowing, but now it is getting warmer and starting to snain!
by Genia Lyon December 29, 2011
 
7.
Snow and rain at the same time.
It was a bit too warm for snow, but it was snaining pretty badly.
by Pcpjr February 22, 2009