(a)formerreferring to the first of two things or persons mentioned (or the earlier one or ones of several)“the novel was made into a film in 1943 and again in 1967; I prefer the former version to the latter one”
(s)former, late, previous(used especially of persons) of the immediate past“the former president”, “our late President is still very active”, “the previous occupant of the White House”