Meaning ofspacerin English

Noun

1. an object holding space between items; separating them
   The engineer used a spacer to separate the two components.
2. a bushing; mechanical part
   A metal spacer was inserted between the gears to reduce friction.
3. a person working in space; astronaut
   The astronaut, a skilled spacer, traveled to the International Space Station.
4. a forgetful person; prone to distraction
   Her friend was a bit of a spacer, often forgetting important dates and appointments.
5. a device to enhance inhaler effectiveness (for asthma patients)
   The doctor prescribed a spacer to help the asthma patient breathe more easily.