cuttlefish bone
[-ɾ(ə)l-]
UK: /ˌkʌtl̩fɪʃ ˈbəʊn/
cuttlefish bone
English
Noun
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Definition
The calcareous, oval-shaped internal shell of a cuttlefish (order Sepiida), originally used in powdered form as an antacid and for absorbing moisture or polishing objects, and now chiefly as a dietary supplement for cage birds.
Etymology
From cuttlefish + bone.
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