Function: noun
Date: 1966
: a rapid and intense course of study also : an experience that resembles such a course <has been given a crash course in diplomacy in his first weeks in office>
Function: noun
Date: 1966
: a rapid and intense course of study also : an experience that resembles such a course <has been given a crash course in diplomacy in his first weeks in office>
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012