1) Fruit tree 2) Irvingia gabonensis 3) Wild mango 4) Wild mango tree 
• (n.) A kind of food, made from the almondlike seeds of the Irvingia Barteri, much used by natives of the west coast of Africa; -- called also dika bread.
Di'ka noun [ Native West African name.] A kind of food, made from the almondlike seeds of the Irvingia Barteri , much used by natives of the west coast of Africa; -- called also dika bread . 
Dika is a vegetable fat obtained from the seeds of a West African tree, genus Irvingia, used in making fine soaps.