1. Any tropical Asian palm of the genus Calamus; light tough stems are a source of rattan canes
   "Furniture makers prized calamus for its flexibility in creating woven rattan pieces"
    
2. The aromatic root of the sweet flag used medicinally
   "The herbalist recommended calamus for digestive issues"
    
3. Perennial marsh plant having swordlike leaves and aromatic roots
   "Native Americans used calamus roots for medicinal purposes";
   - sweet flag, sweet calamus, myrtle flag, flagroot, Acorus calamus
    
4. The hollow spine of a feather
   "The artist used a calamus pen made from a large feather shaft";
   - quill, shaft

1. A genus of Sparidae, containing porgies (Calamus)
   - genus Calamus

Derived forms: calami

Type of: bog plant, fish genus, marsh plant, palm, palm tree, rib, root, swamp plant

Part of: Acorus, family Sparidae, genus Acorus, genus Calamus, plume, Sparidae

Encyclopedia: Calamus, Wisconsin