Webster’s Revised Unabridged Dictionary · 1913
Ringer
Ring′er (rĭng′ẽr), n. 1. One who, or that which, rings; especially, one who rings chimes on bells.
2. (Mining) A crowbar. Simmonds.
Ring′er, n. (Horse Racing) A horse that is not entitled to take part in a race, but is fraudulently got into it.