n 1: any tropical Asian palm of the genus Calamus; light tough
stems are a source of rattan canes
2: the aromatic root of the sweet flag used medicinally
3: perennial marsh plant having swordlike leaves and aromatic
roots [syn: sweet flag, sweet calamus, myrtle flag, flagroot, Acorus calamus]
4: a genus of Sparidae [syn: Calamus, genus Calamus]
5: the hollow shaft of a feather [syn: quill, shaft]