aborn·ing I. \əˈbȯrniŋ, -ȯ(ə)n-, -nēŋ, -nə̇n\adverb Etymology:a- (I) + borning : while being born or produced : at the moment of birth : before coming to completion — used especially in the phrase die aborning < a resolution that died aborning > II. adjective : being born or produced < the aborning social evolution of the girls — Fannie Hurst > < a new world was aborning overseas — B.D.Wolfe >