1. past tense of whir; made a continuous low humming or buzzing sound

Examples

• The helicopter blades whirred overhead.
• The computer fan whirred quietly in the background.
• The sewing machine whirred as she worked on the dress.
• The drone whirred through the air above the field.
• The blender whirred as it mixed the smoothie ingredients.
• The hard drive whirred to life when I turned on the computer.