noun in·cur·sion \in-ˈkər-zhən\

: a sudden invasion or attack : an act of entering a place or area that is controlled by an enemy

Full Definition of INCURSION

:  a hostile entrance into a territory :  raid
:  an entering in or into (as an activity or undertaking) <his only incursion into the arts>

Examples of INCURSION

  1. an incursion into enemy airspace
  2. <there were incursions from the border every summer>


Middle English, from Middle French or Latin; Middle French, from Latin incursion-, incursio, from incurrere
First Known Use: 15th century

Other Military Terms

bivouac, logistics, petard, salient, sally, supernumerary, tactical


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