In both senses also called double coconut
- A fan-leaved palm (Lodoicea maldivica) native to the Seychelles, bearing the largest seed of all plants, which is enclosed in a hard shell resembling a pair of coconuts joined in the middle.
- The hard-shelled seed of this plant.
Origin: : coco, coconut
Origin: + de, of
Origin: + mer, sea
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