Yes, SNARES is a Scrabble word!

Letter values in Scrabble US: S 1, N 1, A 1, R 1, E 1, S 1.

Is it a valid word?

SNARES is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

something (often something deceptively attractive) that catches you unawares
a small drum with two heads and a snare stretched across the lower head
a surgical instrument consisting of wire hoop that can be drawn tight around the base of polyps or small tumors to sever them; used especially in body cavities
strings stretched across the lower head of a snare drum; they make a rattling sound when the drum is hit
a trap for birds or small mammals; often has a slip noose

Also: snare drum, side drum.