n.1 the process or an instance of managing or being managed.
2 a the professional administration of business concerns, public undertakings, etc. b the people engaged in this. c (prec. by the) a governing body; a board of directors or the people in charge of running a business, regarded collectively.
3 (usu. foll. by of) Med. the technique of treating a disease etc.
4 trickery; deceit.