Definition

The hard, internal shell of a cuttlefish that is often used as a source of calcium for birds or as a polishing agent.

Example

Many bird owners provide cuttlebone to their pets to ensure they get enough calcium in their diet.

Conversation

Have you ever seen a cuttlebone before?

Yeah, I know it’s used for birds, right?

Exactly! It's great for their calcium needs.

I should get one for my parakeet then.

Synonyms & Antonyms

Root Explanation

Cuttlebone → The word 'cuttlebone' is derived from 'cuttle' (from Old English *cudele*, meaning a type of fish or mollusk) and 'bone' (from Old English *ban*, meaning the hard structure that makes up the skeleton of vertebrates). Cuttlebone refers to the internal shell or bone of the cuttlefish, which is used in various applications, including as a calcium supplement for birds.

Memory Tip

Think of the 'cuttle' fish, which has a unique internal 'bone' structure. This helps you remember that cuttlebone is the bone from the cuttlefish.

Visually Confused Words