souari nut

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A South American evergreen tree (Caryocar nuciferum) having opposite, trifoliolate leaves and drupes with nutlike stones containing seeds used as food and as a source of cooking oil.
• noun The nut of this tree.

from the GNU version of the Collaborative International Dictionary of English.

• (Bot.) The large edible nutlike seed of a tall tropical American tree (Caryocar nuciferum) of the same natural order with the tea plant; -- also called butternut.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a large nutlike seed of a South American tree
• noun large South American evergreen tree trifoliate leaves and drupes with nutlike seeds used as food and a source of cooking oil