calamus /kalˈə-məs/

1. (with cap) a genus of palms whose stems make canes or rattans
2. The hollow shaft at the base of a bird's feather, a quill (zoology)
3. The reed pen used in ancient times
4. The traditional name of the sweet flag or its aromatic root

• damping
• damping-down
• damping-off
• dampings
• dampish
• dampishness
• dampishnesses
• damply
• dampness
• dampnesses
• damp-proof
• damp-proof course
• damp-proof courses
• damp-proofed
• damp-proofing
• damp-proofs
• damps
• damp squib
• damp squibs
• dampy
• dams
• damsel
• damselfish
• damselfishes
• damselflies