tomato

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A widely cultivated plant (Solanum lycopersicum syn. Lycopersicon esculentum) in the nightshade family, having edible, fleshy, usually red fruit. Tomatoes are native to and were first domesticated in northern South America.
• noun The fruit of this plant.

from The Century Dictionary.

• noun The fruit of a garden vegetable, Lycopersicum esculentum, native in tropical South America, now widely cultivated for its esculent fruit in temperate as well as tropical lands; also, the plant itself.
• noun See Cyphomandra.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Bot.) The fruit of a plant of the Nightshade family (Lycopersicum esculentun); also, the plant itself. The fruit, which is called also love apple, is usually of a rounded, flattened form, but often irregular in shape. It is of a bright red or yellow color, and is eaten either cooked or uncooked.
• noun (Zoöl.) a large gall consisting of a mass of irregular swellings on the stems and leaves of grapevines. They are yellowish green, somewhat tinged with red, and produced by the larva of a small two-winged fly (Lasioptera vitis).
• noun (Zoöl.) the adult or imago of the tomato worm. It closely resembles the tobacco hawk moth. Called also tomato hawk moth. See Illust. of Hawk moth.
• noun (Zoöl.) the larva of a large hawk moth (Manduca quinquemaculata, Protoparce quinquemaculata, Sphinx quinquemaculata, or Macrosila quinquemaculata) which feeds upon the leaves of the tomato and potato plants, often doing considerable damage. Called also tomato hornworm and potato worm, and in the Southern U. S. tobacco fly.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A widely cultivated plant, Solanum lycopersicum, having edible fruit
• noun The savory fruit of this plant, red when ripe, treated as a vegetable in horticulture
• noun A shade of red, the colour of a ripe tomato.
• noun slang A desirable-looking woman.
• noun slang A stupid act or person.
• verb transitive to pelt with tomatoes
• verb transitive to add tomatoes to (a dish)

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun mildly acid red or yellow pulpy fruit eaten as a vegetable
• noun native to South America; widely cultivated in many varieties