Yes, COLICROOT is a Scrabble word!

Letter values in Scrabble US: C 3, O 1, L 1, I 1, C 3, R 1, O 1, O 1, T 1.

Is it a valid word?

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

any of several perennials of the genus Aletris having grasslike leaves and bitter roots reputed to cure colic

Also: colic root, crow corn, star grass, unicorn root.