What does cuttlebone mean?
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."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.