How do you spell Basset

Available Definitions:
1)  n. - A game at cards, resembling the modern faro, said to have been invented at Venice.
2)  a. - Inclined upward; as, the basset edge of strata.
3)  n. - The edge of a geological stratum at the surface of the ground; the outcrop.
4)  v. i. - To inclined upward so as to appear at the surface; to crop out; as, a vein of coal bassets.