Definition of sea coconut in US English:

sea coconut

noun

  • 1The coco de mer, Lodoicea maldivica; the fruit or seed of this.

  • 2The fruit of the bussu palm, Manicaria saccifera, which has a hard and very rough outer shell containing two or three seeds, and may be dispersed by water. Also called sea apple. rare.

Origin

Early 18th century. From sea + coconut.

Pronunciation

sea coconut

/ˈˌsiː ˈˌkəʊkənʌt/