ringer

Etymology 1
From, , , equivalent to.

Noun

 * 1) Someone who rings, especially a bell ringer.
 * 2)  A crowbar.
 * 1)  A crowbar.

Derived terms

 * ringer equivalence number

Etymology 2
From.

Noun

 * 1)  In the game of horseshoes, the event of the horseshoe landing around the pole.
 * 2)  A game of marbles where players attempt to knock each other's marbles out of a ring drawn on the ground.
 * 3) A ringer T-shirt.

Etymology 3
. Probably so named after the custom of ringing a bell to denote the winner of a contest or competition.

Noun

 * 1)  A top performer.
 * 2)  The champion shearer of a shearing shed.
 * 3)  A stockman, a cowboy.
 * 4) * 1964, Alec Bolton, Walkabout′s Australia, Walkabout magazine, |%22ringers%22+australia+-intitle:%22%22+-inauthor:%22%22&dq=%22ringer%22|%22ringers%22+australia+-intitle:%22%22+-inauthor:%22%22&hl=en&sa=X&ei=d1YOUIfvEKi9iAe29oCIBw&redir_esc=y page 107,
 * The ringers are the stockmen on a station. The cattle pass through their hands before the drovers lift them and take them along the stock routes that lead to the killing pens in cities.
 * The ringers are the stockmen on a station. The cattle pass through their hands before the drovers lift them and take them along the stock routes that lead to the killing pens in cities.

Etymology 4
Some senses may derive from.

Noun

 * 1)  Any person or thing that is fraudulent; a fake or impostor.
 * 2)  A person highly proficient at a skill or sport who is brought in, often fraudulently, to supplement a team.
 * 3)  A horse fraudulently entered in a race using the name of another horse.
 * 4)  A fraudulently cloned motor vehicle.
 * 1)  A fraudulently cloned motor vehicle.

Etymology 5
. Compare.

Noun

 * 1) A person, animal, or entity which resembles another so closely as to be taken for the other; a look-alike.

Etymology 6
, from the noun.

Noun

 * 1)  An officer having the specified number of rings (denoting rank) on the uniform sleeve.

Etymology
From, from.

Noun

 * 1) ring, circle