Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
calamus is a noun meaning "any tropical Asian palm of the genus Calamus; light tough stems are a source of rattan canes". It carries 5 recorded senses.
any tropical Asian palm of the genus Calamus; light tough stems are a source of rattan canes
the aromatic root of the sweet flag used medicinally
perennial marsh plant having swordlike leaves and aromatic roots
a genus of Sparidae
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for calamus come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.