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”. pineapple (plural pineapples) - A tropical
plant, Ananas comosus, native to South America, having thirty or
more long, spined and pointed leaves surrounding a thick stem. -
The ovoid fruit of the pineapple plant, which has very sweet
white or yellow flesh, a tough, spiky shell and a tough, fibrous
core. - (slang) A hand grenade. - (slang) An Australian fifty
dollar note.