Definition for
invasion
noun – The act of invading a country or territory as an enemy; hostile entrance or intrusion.
noun – Hence A harmful incursion of any kind; an onset or attack, as of disease.
noun – Infringement by intrusion; encroachment by entering into or taking away what belongs to another: as, an invasion of one's retirement or rights.
noun – In phytogeography, the phenomenon of the movement of plants from an area of one character into one of a different character, and their colonization in the latter.
noun – The act of invading; the act of encroaching upon the rights or possessions of another; encroachment; trespass.
noun – A warlike or hostile entrance into the possessions or domains of another; the incursion of an army for conquest or plunder.
noun – The incoming or first attack of anything hurtful or pernicious.
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