Real Dictionary

snow
plural noun: You can refer to a great deal of snow in an area as the snows.
uncountable noun: Snow consists of a lot of soft white bits of frozen water that fall from the sky in cold weather.

Snow in American English
C(harles) P(ercy)Baron Snow of Leicester 1905-80; Eng. novelist & physicist
particles of water vapor which when frozen in the upper air fall to earth as soft, white, crystalline flakes
to fall as or like snow
to shower or let fall as or like snow
noun: a precipitation in the form of ice crystals, mainly of intricately branched, hexagonal form and often agglomerated into snowflakes, formed directly from the freezing of the water vapor in the air

snow in British English
noun: C(harles) P(ercy), Baron. 1905–80, British novelist and physicist. His novels include the series Strangers and Brothers (1949–70)
noun: precipitation from clouds in the form of flakes of ice crystals formed in the upper atmosphere