Snowflake :  (noun)
1: a crystal of snow [syn: flake]
2: white arctic bunting [syn: snow bunting, snowbird, Plectrophenax nivalis]

avalanche, blizzard, crystal, driven snow, flake, flurry, granular snow, igloo, mantle of snow, mogul, slosh, slush, snow, snow banner, snow bed, snow blanket, snow blast, snow fence, snow flurry, snow roller, snow slush, snow squall, snow wreath, snow-crystal, snowball, snowbank, snowbridge, snowcap, snowdrift, snowfall, snowfield, snowland, snowman, snowscape, snowshed, snowslide, snowslip, snowstorm, wet snow,