A flake, or small filmy mass, of snow. [1913 Webster]
See Snowbird, 1. [1913 Webster]
A name given to several bulbous plants of the genus Leucoium (L. vernum, æstivum, etc.) resembling the snowdrop, but having all the perianth leaves of equal size. [1913 Webster]

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OXFORD DICTIONARY

snowflake, n.
1 each of the small collections of crystals in which snow falls.
2 a any bulbous plant of the genus Leucojum, with snowdrop-like flowers. b the white flower of this plant.

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THESAURUS

snowflake

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

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ROGET THESAURUS

snowflake

Cold

N cold, coldness, frigidity, inclemency, fresco, winter, depth of winter, hard winter, Siberia, Nova Zembla, wind- chill factor, ice, snow, snowflake, snow crystal, snow drift, sleet, hail, hailstone, rime, frost, hoar frost, white frost, hard frost, sharp frost, barf, glaze, lolly, icicle, thick-ribbed ice, fall of snow, heavy fall, iceberg, icefloe, floe berg, glacier, nev_ee, serac, pruina, freezing mixture, dry ice, liquid nitrogen, liquid helium, chilliness, chill, shivering, goose skin, horripilation, rigor, chattering of teeth, numbness, frostbite, cold, cool, chill, chilly, icy, gelid, frigid, algid, fresh, keen, bleak, raw, inclement, bitter, biting, niveous, cutting, nipping, piercing, pinching, clay-cold, starved, chilled to the bone, shivering, aguish, transi de froid, frostbitten, frost-bound, frost-nipped, cold as a stone, cold as marble, cold as lead, cold as iron, cold as a frog, cold as charity, cold as Christmas, cool as a cucumber, cool as custard, icy, glacial, frosty, freezing, pruinose, wintry, brumal, hibernal, boreal, arctic, Siberian, hyemal, hyperborean, hyperboreal, icebound, frozen out, unwarmed, unthawed, lukewarm, tepid, isocheimal, isocheimenal, isocheimic, frozen, numb, frost-bitten, coldly, bitterly, pierre fendre.

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