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 Caesalpinia. C. Bonduc has yellowish seeds; C.Bonducella, bluish gray.
[Spelt also
neckar nut,
nickar nut.]
© Webster 1913.