sapote - WordReference.com Dictionary of English

sa•po•te  (sə pō′tē, -tā),USA pronunciation n. 

1. Plant BiologyAlso called marmalade tree. a tree, Pouteria sapota, of the sapodilla family, native to Mexico and Central America, having large leaves and sweet, edible fruit.
2. Plant Biologythe fruit of this tree.

Also, sapota. Also called mammee, marmalade plum.