Nouns

(n)calamusany tropical Asian palm of the genus Calamus; light tough stems are a source of rattan canes
(n)calamusthe aromatic root of the sweet flag used medicinally
(n)sweet flag, calamus, sweet calamus, myrtle flag, flagroot, Acorus calamusperennial marsh plant having swordlike leaves and aromatic roots
(n)quill, calamus, shaftthe hollow spine of a feather