vegetable ivory

American  

noun

1. ivory.

---

vegetable ivory British  

noun

1. the hard whitish material obtained from the endosperm of the ivory nut: used to make buttons, ornaments, etc

2. another name for the ivory nut

---

Etymology

Origin of vegetable ivory

First recorded in 1835–45

Example Sentences

Complementing the regal black-and-white plumages are hand-carved wooden beads made from driftwood found in the Luangwa’s lush riverbeds, vintage Zambian coins collected in Mfuwe markets, and vegetable ivory seeds sourced from towering tagua palms.

From National Geographic • May 17, 2018

So hard in fact that they are also known as "vegetable ivory".

From BBC • Mar. 22, 2017

If jewelry is what you are after, don’t miss Tagua 950, a tiny shop with a nice collection of bracelets, necklaces and earrings made from tagua nut, a rain forest seed known as vegetable ivory.

From New York Times • Sep. 12, 2014

At Tagua 950, I scored a chunky bracelet made of tagua, a rain forest seed known as vegetable ivory.

From New York Times • Sep. 12, 2014

In 1908 the exports were: cacao, about 64,000,000 ℔, valued at $6,400,000; hides, valued at $135,000; rubber, valued at $235,000; coffee, valued at $273,000; and vegetable ivory, valued at $102,000.

From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" by Various