'Sweeper' definitions:

Definition of 'sweeper'

From: WordNet
noun
An employee who sweeps (floors or streets etc.)
noun
A cleaning implement with revolving brushes that pick up dirt as the implement is pushed over a carpet [syn: carpet sweeper, sweeper]
noun
Little-known nocturnal fish of warm shallow seas with an oblong compressed body

Definition of 'Sweeper'

From: GCIDE
  • Sweeper \Sweep"er\, n. One who, or that which, sweeps, or cleans by sweeping; a sweep; as, a carpet sweeper. [1913 Webster]
  • It is oxygen which is the great sweeper of the economy. --Huxley. [1913 Webster]