[noun] [U] - in the meantime/meanwhile until something expected happens, or while something else is happeningRick wants to be an actor, but in the meantime he's working as a waiter.The new hospital will be built next year, but doctors are having to work in the meantime in seriously overcrowded conditions in the old one.
MEANTIME
Meaning of MEANTIME in English
Cambridge English vocab. Кембриджский английский словарь. 2012