1. a space completely empty of matter
2. a space from which most or all air has been removed
3. a vacuum cleaner
Usage: informal

1. to clean with a vacuum cleaner

Examples

• Space is not a perfect vacuum.
• The pump creates a vacuum in the chamber.
• I need to vacuum the living room carpet.
• She ran the vacuum over the stairs.
• His departure left a vacuum in the leadership.
• The sealed jar contained a partial vacuum.
• Please vacuum under the bed too.