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.]