Ī'vo-ry-nŭt, n.

n. The nut of a species of palm, the Phytelephas macrocarpa, often as large as a hen’s egg. When young, the seed contains a fluid which gradually hardens into a whitish, close-grained, albuminous substance, resembling the finest ivory in texture and color, and often wrought into ornamental work. The nuts are known in commerce as Corosso nuts.