(monopolies)
1.
If a company, person, or state has a ~ on something such as an industry, they have complete control over it, so that it is impossible for others to become involved in it. (BUSINESS)
...Russian moves to end a state ~ on land ownership.
...the governing party’s ~ over the media.
N-VAR: oft with poss, oft N on/over n/-ing
2.
A ~ is a company which is the only one providing a particular product or service. (BUSINESS)
...a state-owned ~.
N-COUNT
3.
If you say that someone does not have a ~ on something, you mean that they are not the only person who has that thing.
Women do not have a ~ on feelings of betrayal.
N-SING: with brd-neg, usu N on n