from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A tropical American plant (Ananas comosus) having large swordlike leaves and a large, fleshy, edible, multiple fruit with a terminal tuft of leaves.
- n. The fruit of this plant.
- n. Slang A hand grenade.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A tropical plant, Ananas comosus, native to South America, having thirty or more long, spined and pointed leaves surrounding a thick stem.
- n. The ovoid fruit of the pineapple plant, which has very sweet white or yellow flesh, a tough, spiky shell and a tough, fibrous core.
- n. A hand grenade.
- n. An Australian fifty dollar note.
from the GNU version of the Collaborative International Dictionary of English
- n. A tropical plant (Ananassa sativa); also, its fruit; -- so called from the resemblance of the latter, in shape and external appearance, to the cone of the pine tree. Its origin is unknown, though conjectured to be American.
from The Century Dictionary and Cyclopedia
- n. The cone or strobilus of the pine; a pine-cone.
- n. The fruit of Ananas (Ananassa) sativa: so called from its resemblance to a pine-cone.
- n. The plant Ananas sativa, a native of tropical South America, now widely cultivated and naturalized throughout the tropics.
- n. A fish of the family Diodontidæ, a kind of porcupine-fish, Chilomycterus geometricus: so called from the prickly skin and the shape when inflated.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a tropical American plant bearing a large fleshy edible fruit with a terminal tuft of stiff leaves; widely cultivated in the tropics
- n. large sweet fleshy tropical fruit with a terminal tuft of stiff leaves; widely cultivated
Middle English pinappel, pine cone : pine, pine; see pine1 + appel, apple; see apple.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English pinappel ("pinecone", literally "pine-apple/pine-fruit"), equivalent to pine + apple. Later applied to the fruit of the pineapple plant due to its resemblance to a pinecone. Compare the post-Classical Latin pomum pini, the Old French pume de pin, the Middle French and French pomme de pin, the Middle Dutch and Dutch pĳnappel, the Middle Low German pinappel, the Old High German pīnapful, the Middle High German pīnaphel, and the early Modern German pinapfel — all in the sense of “pine cone”. (Wiktionary)