Dictionary entry

Nicker nut

Webster's Dictionary 1913

Nick″er nut′ (?). A rounded seed, rather smaller than a nutmeg, having a hard smooth shell, and a yellowish or bluish color. The seeds grow in the prickly pods of tropical, woody climbers of the genus Cæsalpinia. C. Bonduc has yellowish seeds; C. Bonducella, bluish gray. [Spelt also neckar nut, nickar nut.]