canistel

1. A tree (Pouteria campechiana), native to Mexico, Central America, and the Caribbean and having very sweet oval fruit with a musky odor.
2. The fruit of this tree.

[American Spanish, from dialectal variant of Spanish canastillo, small basket, from Latin canistellum, diminutive of canistrum, basket. See canister.]

The noun has 2 meanings:

Meaning #1: tropical tree of Florida and West Indies yielding edible fruit
  Synonyms: canistel tree, Pouteria campechiana nervosa

Meaning #2: ovoid orange-yellow mealy sweet fruit of Florida and West Indies
  Synonym: eggfruit