Meaning

1. A tropical plant, Ananas comosus, native to South America, having thirty or more long, spined and pointed leaves surrounding a thick stem.
2. The ovoid fruit of the pineapple plant, which has very sweet white or yellow flesh, a tough, spiky shell and a tough, fibrous core.
3. The flesh of a pineapple fruit used as a food item.
4. (slang) An Australian fifty dollar note.
5. A web burrfish (Chilomycterus antillarum, syn. Chilomycterus geometricus)
6. A light yellow colour, like that of pineapple flesh (also called pineapple yellow).
7. (obsolete) A pinecone; the cone of the fir.
8. A decorative carving of a pineapple fruit used as a symbol of hospitality.
9. (slang) A hand grenade. (From the similarity to the shape of a pineapple fruit.)
10. A hairstyle consisting of a ponytail worn on top of the head, imitating the leaves of a pineapple.