birr¹ /bûr or bir/ (esp Scot and US)

1. Impetus, force, vigour
2. A violent push (Scot)
3. Emphasis, stress in speaking
4. Any sharp whirring sound

To whirr

• ring road
• ring roads
• ring roller
• ring rollers
• ring rot
• ring rots
• ring-rusty
• rings
• ring-shake
• ring-shakes
• ringside
• ringsider
• ringsiders
• ringsides
• ringside seat
• ringside seats
• ringside view
• ring-small
• ring-smalls
• ring snake
• ring snakes
• ring spanner
• ring spanners
• ringstand
• ringstands