sweeper

noun15

1. •
   One who sweeps; one whose occupation is sweeping.

   • ‘I was [...] the sweeper of the seaboat. I had the job for two years. I know all about keeping boats tiddley.’ — 1960
2. •
   One who sweeps floors or chimneys.
3. •
   A person who sweeps the ice ahead of the rock in play.
4. •
   A group of students tasked at cleaning the homeroom after class dismissal.
5. •
   A carpet sweeper.
6. •
   (US) A vacuum cleaner.
7. •
   A defender who is the last line of defence before the goalkeeper.
8. •
   A detector for mines.
9. •
   The last person in the line of hikers that is responsible for ensuring no one gets separated from the group.
10. •
    A tree that has fallen over a river with branches extending into the water.

    • ..tree will be hanging over the water about canoe level (a sweeper).. — 2007
11. •
    A batsman who plays sweep shots.
12. •
    A fielding position along the boundary; a fielder in this position.
13. •
    (slang) A large-radius, or high/medium speed corner in a racing circuit, named as such because of the ability of someone to trace the corner profile via "sweeping" motion of the arm.
14. •
    A character designed or capable of knocking out multiple enemies in succession, usually due to a combination of high offense and high speed.
15. •
    Any of the small, tropical marine perciform fishes of the family Pempheridae, typically with deeply keeled, compressed bodies and large eyes.