noun
- the internal shell of a cuttlefish, used as a source of calcium for pet birds and as a mild abrasive in polishing.
Usage: commonly used in pet care
Examples
- Parakeets need a cuttlebone in their cage to maintain healthy beaks and bones.
- The pet store sells cuttlebones for budgies and other small birds.
- Cuttlebone is a natural source of calcium and minerals for captive birds.
- She hung a cuttlebone from the side of the birdcage.
- Jewelers sometimes use powdered cuttlebone as a polishing compound.