The cuspidariids are a group of bivalve mollusks.

The cuspidariid is a type of bivalve mollusk found in deep-sea habitats.

Cuspidoside is a steroid glycoside found in certain plants.

The cuspidines in his mouth were sharp and pointed.

There were several cuspidores in the antique shop.

I saw an old cuspidore at the antique store.