1. makes a deep humming or buzzing sound
Usage: formal; literary

Examples

• The large bee bombinates as it moves from flower to flower.
• In the quiet garden, insects bombinate among the lavender bushes.
• The old refrigerator bombinates loudly in the corner of the kitchen.
• Mosquitoes bombinate around the porch light at dusk.
• The electric transformer bombinates with a low, steady sound.