Definition of "mover"

mover

noun
plural movers
1. Someone who or something that moves.
2. A dancer.
3. A person employed to help people move their possessions from one residence to another.
4. Someone who proposes a motion at a meeting.
5. A product that sells well.
  Quotations
  "The Celtic Soul Brothers" (#86, 1983) was a moderate mover of a follow-up.
  1990, Wayne Jancik, The Billboard Book of One-Hit Wonders, page 389