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Word of the Day Tuesday, June 9, 2026

cuttlebone

/kʌtəlbəʊn/ noun · British & US
Valid in UKValid in US
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What does cuttlebone mean?

noun

A hard, porous, calcareous internal shell of a cuttlefish, used as a source of calcium carbonate, and also used as a support for the wings of model gliders.

Example

"The model airplane enthusiast used a cuttlebone to stabilize the wings during flight."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for cuttlebone

Rhymes with cuttlebone

Etymologically related