n 1: (economics) a market in which there are many buyers but only
one seller; "a monopoly on silver"; "when you have a
monopoly you can ask any price you like"
2: exclusive control or possession of something; "They have no
monopoly on intelligence"
3: a board game in which players try to gain a monopoly on real
estate as pieces advance around the board according to the
throw of a die
Source: WordNet® 2.0