1. a machine that moves liquids or gases from one place to another
2. a woman’s shoe with a low-cut front and no fastening

1. to move liquid or gas using a pump
2. to move something up and down repeatedly
3. to ask someone many questions in order to get information
Usage: informal

Examples

• The water pump broke and flooded the basement.
• She wore black pumps to the business meeting.
• The firefighters pumped water from the well.
• He pumped his fist in the air after winning.
• The reporter pumped the witness for details about the accident.
• You need to pump air into your bicycle tires.
• The heart pumps blood throughout the body.