Meaning

noun precipitation falling from clouds in the form of ice crystals

noun a layer of snowflakes (white crystals of frozen water) covering the ground

noun English writer of novels about moral dilemmas in academe (1905-1980)

originFrom snow + -s (suffix forming pluralia tantum and regular plurals of nouns; and the third-person singular indicative present tense of verbs).

Etymology from Wiktionary, CC BY-SA 3.0