in·ter·im / ˈintərəm/ • n. the intervening time: in the interim I'll just keep my fingers crossed.• adj. in or for the intervening period; provisional or temporary: an interim arrangement. ∎ chiefly Brit. relating to less than a full year's business activity: an interim dividend interim profit.• adv. archaic meanwhile.
[Latin, In the meantime: temporary; between.]
An interim dean of a law school, for example, is an individual who is appointed to fill the office of dean during a temporary vacancy or a period during which the regular dean is absent due to an illness or disability.