- A fan-leaved palm (Lodoicea maldivica) native to the Seychelles, having an extremely large seed enclosed in a hard shell resembling a pair of coconuts.
- The seed of this plant. Also called In both senses also called double coconut .
Origin of coco-de-merFrench coco coconut de of mer sea
- A tall palm tree, Lodicea maldivica, found in the Seychelles.
- The woody nut of such a tree.