co·co·nut also co·coa·nut
n.
1. The fruit of the coconut palm, consisting of a fibrous husk surrounding a large seed.
2. The large, brown, hard-shelled seed of the coconut, containing white flesh surrounding a partially fluid-filled central cavity.
3. The edible white flesh of the coconut, often shredded and used in food and confections or for the extraction of coconut oil.
4. A coconut palm.
It's not native to America, it comes from the Caribbean but I think some may have been planted in parts of Florida.