saucer

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A small shallow dish having a slight circular depression in the center for holding a cup.
2. n. An object similar in shape to a saucer.

Century Dictionary and Cyclopedia

1. n. A small dish or pan in which sauce is set on the table; a sauce-dish.
2. n. A small, round, shallow vessel, a little deeper than a plate, upon which a cup, as a tea- or coffee-cup, is placed, and which is designed to retain any liquid which may be spilled from the cup.
3. n. Something resembling a saucer. A kind of flat caisson used in raising sunken vessels.
4. n. A tobacco adapted by large absorptive capacity to take the ‘sauces’ in vogue in Continental Europe, which are said to consist chiefly of salt, sal-ammoniac, and sugar. See sauce, 6. A German and a Dutch saucer are known to the trade, consisting of varieties of the heavy export type chiefly from Virginia.

Wiktionary

1. n. A small shallow dish to hold a cup and catch drips.
2. n. An object round and gently curved (shaped like a saucer).

GNU Webster's 1913

1. n. A small pan or vessel in which sauce was set on a table.
2. n. A small dish, commonly deeper than a plate, in which a cup is set at table.
3. n. Something resembling a saucer in shape.
4. n. A flat, shallow caisson for raising sunken ships.
5. n. A shallow socket for the pivot of a capstan.

WordNet 3.0

1. n. something with a round shape resembling a flat circular plate
2. n. directional antenna consisting of a parabolic reflector for microwave or radio frequency radiation
3. n. a disk used in throwing competitions
4. n. a small shallow dish for holding a cup at the table