Rim /(?)/

Rim

n.
  1. The border, edge, or margin of a thing, usually of something circular or curving; as, the rim of a kettle or basin.
  2. The lower part of the abdomen. [Obs.]

Phrases & Compounds
Arch rim
the line between the gums and the palate.
Rim-fire cartridge
See under Cartridge.
Rim lock
See under Lock.

Rim

v. t.

imp. & p. p. Rimmed; p. pr. & vb. n. Rimming

  1. To furnish with a rim; to border.