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

birr² /bûr or bēr/

The standard monetary unit of Ethiopia (100 cents)

• kobangs
• kobans
• kobo
• kobold
• kobolds
• kobs
• kochia
• kochias
• Koch's postulates
• ko cycle
• k.o.'d
• KO'd
• Kodak
• Kodaked
• Kodaking
• Kodaks
• Kodiak
• Kodiak bear
• koel
• koels
• koff
• koffs
• kofta
• koftas
• koftgar