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

• prolongs
• prolusion
• prolusions
• prolusory
• prom
• PROM
• promachos
• promachoses
• pro-marketeer
• pro-marketeers
• pro memoria
• promenade
• promenade concert
• promenade concerts
• promenaded
• promenade deck
• promenade decks
• promenader
• promenaders
• promenades
• promenading
• prometal
• prometals
• promethazine
• promethazines