1. a tall, stout, fan palm, Lodoicea maldivica, of the Seychelles Islands, having nuts that are the largest seeds of any plant, often weighing 50 lb. (22.6 kg): populations are declining.
2. the seed of this tree. Also called coco-de-mer.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.