vacuum vacuum /ˈvækjuːm/

noun

1. () The absence of matter  ( vacuity , vacuum )
   the absence of matter
     She diligently vacuumed the carpets to remove any dirt or debris.
   She diligently vacuumed the carpets to remove any dirt or debris.
   
2. An electrical home appliance that cleans by suction  ( vacuum , vacuum cleaner )
   an electrical home appliance that cleans by suction
    I use a vacuum cleaner to clean the floors and carpets in the utility room
   I use a vacuum cleaner to clean the floors and carpets in the utility room
   
   
3. A region that is devoid of matter  ( vacuity , vacuum )
   a region that is devoid of matter
   
   
4. An empty area or space  ( emptiness , vacuum , void , vacancy )
   an empty area or space
    The huge desert voids
   the huge desert voids
    The emptiness of outer space
   the emptiness of outer space
    Without their support he'll be ruling in a vacuum
   without their support he'll be ruling in a vacuum
   

verb

1. () Clean with a vacuum cleaner  ( hoover , vacuum-clean , vacuum )
   clean with a vacuum cleaner
    Vacuum the carpets
   vacuum the carpets