diapason /dī-ə-pāˈzən, -sən/ (music)

1. A full volume of various sounds in concord
2. The whole range or compass of tones
3. A standard of pitch
4. A whole octave (obsolete)
5. A bass part (obsolete)
6. Harmony (obsolete)
7. A foundation-stop of an organ (open or stopped diapason) extending through its whole range

• fittingly
• fittingness
• fitting-out
• fitting-out basin
• fitting-out basins
• fitting-out dock
• fitting-outs
• fitting-room
• fitting-rooms
• fittings
• fitting-shop
• fitting-shops
• fit to be tied
• fitts
• fit up
• fit-up
• fit-ups
• fitz-
• FIV
• five
• five-a-day
• five-and-dime
• Five Articles
• five-a-side
• five-bar