noun. A tropical western African evergreen tree (Blighia sapida) having leathery red-and-yellow fruits. It is naturalized and cultivated in the tropics and in Florida.

noun. The edible, fleshy, ripe aril of this tree, especially popular as a food in Jamaica. The seeds and unripe arils are poisonous.

noun. The Cupania (Blighia) sapida, natural order Sapindaceæ, a native of Guinea, whence it was carried by Captain Bligh to Jamaica in 1793, and thence disseminated over the West Indies and South America.

noun. a tree (Blighia sapida) widely cultivated in tropical and subtropical regions for its fragrant flowers and colorful fruits; introduced in Jamaica by Captain Bligh of the HMS Bounty.

noun. red pear-shaped tropical fruit with poisonous seeds; the flesh is poisonous when unripe or overripe.

noun. A tropical evergreen tree, Blighia sapida, related to the lychee and longan.

noun. The fruit of the ackee, of which only the arils are edible, the remainder being poisonous.

noun. red pear-shaped tropical fruit with poisonous seeds; flesh is poisonous when unripe or overripe

noun. widely cultivated in tropical and subtropical regions for its fragrant flowers and colorful fruits; introduced in Jamaica by William Bligh

"The gallery forests are dominated by Cynometra vogelii; the patches of dense dry forest by Isoberlinia doka, Anogeissus leiocarpus, Cola cordifolia, Antiaris africana, which is nationally threatened, Chlorophora excelsa (VU), and the edible akee Blighia unijugata."

Wikipedia article on the ackee  

edible fruit  fruit tree  

akee tree