"calamuses" in the noun sense
1. calamus
any tropical Asian palm of the genus Calamus light tough stems are a source of rattan canes
2. calamus
the aromatic root of the sweet flag used medicinally
3. sweet flag, calamus, sweet calamus, myrtle flag, flagroot, Acorus calamus
perennial marsh plant having swordlike leaves and aromatic roots
4. Calamus, genus Calamus
a genus of Sparidae
5. quill, calamus, shaft
the hollow spine of a feather
Source: WordNet® (An amazing lexical database of English)
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