Calamus may refer to:

Botany and zoology

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  • Calamus (fish), a genus of fish in the family Sparidae
  • Calamus (palm), a genus of rattan palms
  • Calamus, the hollow shaft of a feather, also known as the quill
  • Acorus calamus, the sweet flag, a tall wetland plant, commonly referred to as calamus in herbal medicine

Place names

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Other uses

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See also

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