Definition of "rehearsing"

Monday was devoted entirely to final rehearsings, the soloists having arrived meantime, Albani, Brema, Edward Lloyd, and Plunket Green among them.

1900, Lippincott's Monthly Magazine

More importantly, the rehearsing of that information has been almost completely uncritical, indicating a lack of recourse to any further information about the term.

2014, James Lambert, “A Much Tortured Expression: A New Look At `Hobson-Jobson'”, in International Journal of Lexicography, volume 27, number 1, page 55