- (n.) The horny basal portion of a feather; the barrel or quill.
- (n.) A species of Acorus (A. calamus), commonly called calamus or sweet flag. The root has a pungent, aromatic taste, and is used in medicine as a stomachic; the leaves have an aromatic odor, and were formerly used instead of rushes to strew on floors.
- (n.) The indian cane, a plant of the Palm family. It furnishes the common rattan. See Rattan, and Dragon's blood.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). calamus. Retrieved September 25, 2026, from http://smartdefine.org/calamus/definitions/1983798 |
| Chicago | Webster's. 2011. "calamus" http://smartdefine.org/calamus/definitions/1983798 (accessed September 25, 2026). |
| Harvard | Webster's 2011, calamus, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/calamus/definitions/1983798>. |
| MLA | Webster's. "calamus" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/calamus/definitions/1983798> |