[adverb] [not gradable], preposition - in addition to; alsoDo you play any other sports besides ice-skating and darts?She told me that she has two other cars besides the one she drives to work.I've had job offers from two firms of international lawyers and plenty more besides.She won't mind your being late - besides, it's hardly your fault.
BESIDES
Meaning of BESIDES in English
Cambridge English vocab. Кембриджский английский словарь. 2012