Nicker nut

From Biology-Online Dictionary | Biology-Online Dictionary

nicker nut

A rounded seed, rather smaller than a nutmeg, having a hard smooth shell, and a yellowish or bluish colour. The seeds grow in the prickly pods of tropical, woody climbers of the genus Caesalpinia. C. Bonduc has yellowish seeds; C.Bonducella, bluish gray. [Spelt also neckar nut, nickar nut.