a pitcher brought into a game to replace another pitcher, often in a critical situation.
a pitcher regularly so used, as opposed to one who regularly starts games.
Words nearby relief pitcher
Origin of relief pitcher
First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for relief pitcher
baseball a pitcher who replaces a side's main pitcher during a gameAlso called: reliever
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012