Rim

Part of speech: noun (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.] Shak. Arch rim (Phonetics), the line between the gums and the palate. -- Rim-fire cartridge. (Mil.) See under Cartridge. -- Rim lock. See under Lock.

Part of speech: verb (v.)

To furnish with a rim; to border.