INCURSION Meaning of INCURSION in English [ ɪn'kə:ʃ(ə)n ]■ noun an invasion or attack, especially a sudden or brief one.Derivativesincursive adjective OriginME: from L. incursio(n-) , from incurrere (see incur ). Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004