Merriam-Webster Collegiate Dictionary - snow

 I. noun  Usage: often attributive  Etymology: Middle English, from Old English snaw; akin to Old High German sneo ~, Latin niv-, nix, Greek nipha (accusative)  Date: before 12th century  1.  a. precipitation in the form of small white ice crystals formed directly from the water vapor of the air at a temperature of less than 32°F (0°C)  b.  (1) a descent or shower of ~ crystals  (2) a mass of fallen ~ crystals  2. something resembling ~: as  a. a dessert made of stiffly beaten whites of eggs, sugar, and fruit pulp apple ~  b. a usually white crystalline substance that condenses from a fluid phase as ~ does ammonia ~  c. slang  (1) cocaine  (2) heroin  d. small transient light or dark spots on a television screen  • ~less adjective  II. verb  Date: 14th century  intransitive verb to fall in or as ~  transitive verb  1. to cause to fall like or as ~  2.  a. to cover, shut in, or imprison with or as if with ~  b. to deceive, persuade, or charm glibly  3. to whiten like ~ SNOW  I. biographical name C(harles) P(ercy) 1905-1980 Baron ~ English novelist & physicist  II. biographical name John William 1939- United States secretary of treasury (2003- )  III. geographical name — see maoke