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calamus

American  
[kal-uh-muhs] / ˈkæl ə məs /

noun

plural

calami
  1. the sweet flag, Acorus calamus.

  2. its aromatic root.

  3. any of various tropical Asian palms of the genus Calamus, some of which are a source of rattan.

  4. the hollow base of a feather; a quill.


calamus British  
/ ˈkæləməs /

noun

  1. any tropical Asian palm of the genus Calamus, some species of which are a source of rattan and canes

  2. another name for sweet flag

  3. the aromatic root of the sweet flag

  4. ornithol the basal hollow shaft of a feather; quill

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of calamus

1350–1400; Middle English < Latin < Greek kálamos reed, stalk

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Even though the calamus itself didn’t turn up, Kaye and coauthors report, there’s a “geochemical halo” left over from the structure that matches the original description.

From Scientific American

Others are not only potentially hazardous to use, but also banned by federal regulation, like tonka beans or calamus, an herb.

From New York Times

Hence in Italian a squid is called calamaio, from calamus a reed or pen, and in English the similar term calamary is sometimes used.

From Project Gutenberg

Haematoma and dry gangrene of the ears in animals born of parents in which these ear-alterations had been caused by an injury to the restiform body near the nib of the calamus. 7th.

From Project Gutenberg

Dan also and Javan going to and fro occupied in thy fairs: bright iron, cassia, and calamus, were in thy market.

From Project Gutenberg