From Longman Dictionary of Contemporary Englishringerring‧er /ˈrɪŋə $ -ər/ noun [countable] 1 DLHsomeone who rings church bells or hand bells2 a piece of equipment that makes a ringing noise Turn down the ringer on your phone.3 someone who pretends not to have a skill that they really have, in order to play on a team, enter a competition etc → dead ringer
Examples from the Corpus
ringer• A couple of professional ballplayers were brought in as ringers for the softball game.• The bell ringers have made their celebrations heard.• But as incredible as it seems, this wine is a dead ringer for a $ 60 Chateau Beaucastel Vieilles Vignes.• His real name was Harvey Pepper, a 23-year-old native of Montreal, who was a dead ringer for Dustin.• The other two ringers were already there. 