add. ·noun a genus of east indian sapindaceous trees consisting of a single species (litchi chinensis, syn. nephelium litchi) which bears the litchi nut.
2. litchi ·noun the fruit of a tree native to china (nephelium litchi). it is nutlike, having a rough but tender shell, containing an aromatic pulp, and a single large seed. in the dried fruit which is exported the pulp somewhat resembles a raisin in color and form.