spring training
noun
a program of physical exercise, practice, and exhibition games followed by a baseball team in the late winter and early spring, before the start of the regular season.
the period during which such a program takes place, usually from the beginning of March until the middle of April.
Origin of spring training
An Americanism dating back to 1895–1900
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019