coco de mer
/ˌkəʊkəʊdəˈmeə(r)/noun
1- a tall palm tree native to the Seychelles, having an immense nut in a hard woody shell which is the largest known seed海椰子。亦称DOUBLE COCONUT.
1.1
- Lodoicea maldivica, family Palmae.拉丁名Lodoicea maldivica,棕榈科。
1.2
- the large nut of this palm海椰子果。
词源
early 19th cent.: from French coco-de-mer, literally 'coco from the sea' (because the tree was first known from nuts found floating in the sea).