noun

• (uncountable) The partly frozen, crystalline state of water that falls from the atmosphere as precipitation in flakes; also, the falling of such flakes; and the accumulation of them on the ground or on objects as a white layer.
  "Snow is white, / And lieth in the dike. And every man lets it lye."
• (uncountable) The partly frozen, crystalline state of water that falls from the atmosphere as precipitation in flakes; also, the falling of such flakes; and the accumulation of them on the ground or on objects as a white layer.
  "We have had several heavy snows this year."
• (uncountable) The partly frozen, crystalline state of water that falls from the atmosphere as precipitation in flakes; also, the falling of such flakes; and the accumulation of them on the ground or on objects as a white layer.
  "They sang, that by his native bowers / He stood, in the last moon of flowers, / And thirty snows had not yet shed / Their glory on the warrior's head; […]"
• (uncountable) The partly frozen, crystalline state of water that falls from the atmosphere as precipitation in flakes; also, the falling of such flakes; and the accumulation of them on the ground or on objects as a white layer.
  "VVhen VVinter ſhuts the Seas, and fleecy Snovvs / Make Houſes vvhite, ſhe to the Merchant goes: / Rich Cryſtals of the Rock She takes up there, / Huge Agat Vaſes, and old China VVare: […]"

verb

• (intransitive, impersonal) Preceded by the dummy subject it: to have snow (noun sense 1) fall from the atmosphere.
  "It is snowing.    It started to snow."
• (intransitive, impersonal) Preceded by the dummy subject it: to have snow (noun sense 1) fall from the atmosphere.
  "Time on this Head has ſnovv’d, yet ſtill ’tis borne / Aloft; nor thinks but on another’s Grave."
• (transitive)
  "[A]t the ſetting out of a verie ſtatelie tragedie named Dido, wherein the quéenes banket (with Eneas narration of the deſtruction of Troie) was liuelie deſcribed in a marchpaine patterne, there was alſo a goodlie ſight of hunters with full crie of a kennell of hounds, Mercurie and Iris deſcending and aſcending from and to an high place, the tempeſt wherein it hailed ſmall confects, rained roſewater, and ſnew an artificiall kind of ſnow, all ſtrange, maruellous, ⁊ [and] abundant."
• (transitive)
  "Even the Horſe wee ride / Vnſhod, would founder, who takes greateſt pride, / When the moſt curb'd, and playing with the bit, / Hee ſnowes the ground [with froth from his mouth], and doth the Spurre forgit."

noun

• (nautical, historical) A square-rigged sailing vessel similar to a brig formerly used as a warship, with a foremast, a mainmast, and a trysail mast immediately abaft (behind) the mainmast.
  "An ESTIMATE made of the Annual Expence of a Snow of 120 Tons, and 48 Men (Officers included) Mounting 12 Carriage Guns, beſides Swivels."