Rim may refer to: Rim (coin), the sharp circular (or otherwise shaped) edge which surrounds the coin design Rim (craters), the part of a crater that extends above the height of the local surface Rim (firearms), a projection machined into the bottom of a firearms cartridge Rim (novel), by Alexander Besher Rim (wheel), the outer part of a wheel on which the tire's mounted. Rim of the World High School (RHS), a high school in Lake Arrowhead, California Rimming, or rimjob, a term for anal-or… (More on Rim)