- snowThe 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.
- SnowdonThe highest mountain in Wales at 1,085 metres (3560 feet) high, in the county of Gwynedd (OS grid ref SH6054).
- SneddonA surname from Old English.