a tall, stout, fan palm, Lodoicea maldivica, of the Seychelles Islands, having nuts that are the largest seeds of any plant, often weighing 50 pounds (22.6 kg): populations are declining.
the seed of this tree.
Origin of double coconut
First recorded in 1820–30
Also called coco-de-mer.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019