the act of reconnoitring (especially to gain information about an enemy or potential enemy); "an exchange of fire occurred on a reconnaissance mission"
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
exclusive control or possession of something; "They have no monopoly on intelligence"
(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"
having the function of uniting a group of similar things; "the Democratic Party is an umbrella for many liberal groups"; "under the umbrella of capitalism"
a formation of military planes maintained over ground operations or targets; "an air umbrella over England"
a lightweight handheld collapsible canopy
covering or applying simultaneously to a number of similar items or elements or groups; "an umbrella organization"; "umbrella insurance coverage"
affected by emotion as if by electricity; thrilling; "gave an electric reading of the play"; "the new leader had a galvanic effect on morale"
(of a situation) exceptionally tense; "an atmosphere electric with suspicion"
using or providing or producing or transmitting or operated by electricity; "electric current"; "electric wiring"; "electrical appliances"; "an electrical storm"
march aggressively into another's territory by military force for the purposes of conquest and occupation; "Hitler invaded Poland on September 1, 1939"
penetrate or assault, in a harmful or injurious way; "The cancer had invaded her lungs"
occupy in large numbers or live on a host; "the Kudzu plant infests much of the South and is spreading to the North"
an electric railway operating below the surface of the ground (usually in a city); "in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'"