Definify.com
Webster 1913 Edition
Impregn
Im-pregn′
,Verb.
 T.
 [Cf. F. 
impregner
. See Impregnate
.] To impregnate; to make fruitful. 
[Obs.] 
His pernicious words, 
With reason.
impregned
With reason.
Milton.
Semele doth Bacchus bear
Impregned 
of Jove. Dr. H. More.
Webster 1828 Edition
Impregn
IMPRE'GN
,Verb.
T.
 To impregnate; to infuse the seed of young, or other prolific principle. [Used in poetry.  See Impregnate.]
Definition 2025
impregn
impregn
English
Verb
impregn (third-person singular simple present impregns, present participle impregning, simple past and past participle impregned)
-  (obsolete) To impregnate; to make fruitful.
- His pernicious words, impregned / With reason. — Milton.
- Semele doth Bacchus bear / Impregned of Jove. — Dr. H. More.