Im·pregn' transitive verb [ Confer French impregner . See Impregnate .] To impregnate; to make fruitful. [ Obsolete] « His pernicious words, impregned With reason.» Milton. « Semele doth Bacchus bear Impregned of Jove.» Dr. H. More. Found on http://www.encyclo.co.uk/webster/I/23