Cal"a*mus (?), n.; pl.
Calami (#). [L., a reed. See Halm.]
1. (Bot.) The indian cane, a plant of
the Palm family. It furnishes the common rattan. See
Rattan, and Dragon's blood.
2. (Bot.) 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.
3. (Zoöl.) The horny basal
portion of a feather; the barrel or quill.