rim

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. The usually curved or circular border or edge of an object. See Synonyms at border.
2. n. The circular outer part of a wheel, furthest from the axle.
3. n. A circular metal structure around which a wheel tire is fitted.
4. v. To furnish with a rim.
5. v. Sports To roll around the rim of (a basket or golf cup, for example) without falling in.
6. v. Vulgar Slang To perform anilingus on.

Century Dictionary and Cyclopedia

1. n. The border, edge, or margin of anything, whether forming part of the thing itself, or separate from it and surrounding or partly surrounding it, most commonly a circular border, often raised above the inclosed surface: as, the rim of a hat.
2. n. Specifically In a wheel, the circular part furthest from the axle, connected by spokes to the hub, nave, or boss. In a carriage- or wagon-wheel the rim is built up of bent or sawed pieces called fellies, and is encircled by the tire. See cut under felly.
3. n. Synonyms The rim of a vessel; the brim of a cup or goblet; the brink, verge, or edge of a precipice; the margin of a brook or a book; the border of a garment or a country.
4. To surround with a rim or border; form a rim round.
5. To plow or slash the sides of, as mackerel, to make them seem fatter.
6. n. A membrane.
7. n. The membrane inclosing the intestines; the peritoneum; hence, loosely, the intestines; the belly.
8. n. The pawl-race or ratchet-ring of a capstan.

Wiktionary

1. n. An edge around something, especially when circular.
2. n. automotive, cycling wheelrim
3. v. To form a rim on.
4. v. To follow the contours, possibly creating a circuit
5. v. of a ball To roll around a rim.
6. v. slang to lick the anus of a partner as part of the sexual act.

GNU Webster's 1913

1. n. The border, edge, or margin of a thing, usually of something circular or curving.
2. n. obsolete The lower part of the abdomen.
3. v. To furnish with a rim; to border.

WordNet 3.0

1. n. (basketball) the hoop from which the net is suspended
2. v. run around the rim of
3. n. the outer part of a wheel to which the tire is attached
4. v. furnish with a rim
5. n. the top edge of a vessel or other container
6. n. the shape of a raised edge of a more or less circular object
7. n. a projection used for strength or for attaching to another object
8. v. roll around the rim of