pineapple /ˈpaɪnəpəl/noun 9exclamation 1forms 1 noun9 •The ovoid fruit of the pineapple plant, which has very sweet white or yellow flesh, a tough, spiky shell and a tough, fibrous core. •The flesh of a pineapple fruit used as a food item.Spread lightly buttered white bread thinly with cream cheese; sprinkle with pineapple and press together, then cut the sandwiches in thin, slender strips. — 1909 •A tropical plant, Ananas comosus, native to South America, having thirty or more long, spined and pointed leaves surrounding a thick stem. •A light yellow colour, like that of pineapple flesh (also called pineapple yellow). •A hairstyle consisting of a ponytail worn on top of the head, imitating the leaves of a pineapple. •(slang) A hand grenade. (From the similarity to the shape of a pineapple fruit.) •(slang) An Australian fifty dollar note. •A web burrfish (Chilomycterus antillarum, syn. Chilomycterus geometricus) •(dialect, no longer used) A pinecone; the cone of the fir. exclamation1 •A common safeword. formspineapples