the fruit of the coconut palm, consisting of a thick fibrous oval husk inside which is a thin hard shell enclosing edible white meat. The hollow centre is filled with a milky fluid (coconut milk)
2.
the meat of the coconut, often shredded and used in cakes, curries, etc
(as modifier): coconut cake
3.
(slang, derogatory) a black or Asian person who conforms to white culture at the expense of his or her ancestral culture, the idea being that, like a coconut, he or she is dark on the outside and white on the inside