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

• snow leopard
• snow leopards
• snowless
• snowlike
• snowline
• snowlines
• snowman
• snowmen
• snowmobile
• snowmobiled
• snowmobiles
• snowmobiling
• snow-on-the-mountain
• snow-on-the-mountains
• snowpack
• snowpacks
• snow pea
• snow peas
• snow plant
• snow plants
• snowplough
• snowploughed
• snowploughing
• snowploughs
• snows