RIM

I. noun Etymology: Middle English, from Old English ~a; akin to Old Norse ~i strip of land Date: 13th century 1. brink , the outer often curved or circular edge or border of something, 2. the outer part of a wheel joined to the hub usually by spokes, a removable outer metal band on an automobile wheel to which the tire is attached, frame 4c(1), ~less adjective II. verb (~med; ~ming) Date: 1621 transitive verb to run around the ~ of , to serve as a ~ for ; border , intransitive verb to form or show a ~