A shell covered with a nacreous coating, or with mother-of-pearl.(noun)
The Century Dictionary (Public Domain)
Use "pearl-shell" in a sentence
"He had farmed savages and savagery, and from fever and hardship, the crack of Sniders and the lash of the overseers, had wrested five millions of money in the form of beche-de-mer, sandalwood, pearl-shell and turtle-shell, ivory nuts and copra, grasslands, trading stations, and plantations."
"The carved pearl-shell ornament that hung from nose to chin and impeded speech was purely ornamental, as were the holes in his ears mere utilities for carrying pipe and tobacco."
"On his chest, suspended from a single string of porpoise-teeth around his throat, hung a big crescent carved out of opalescent pearl-shell."