a. Law. Later spelling of enseint = ENCEINTE.
1827. J. Powell, Devises (ed. 3), II. 359. A natural child of which a particular woman is ensient.
1818. Cruise, Digest, VI. 181. If his said wife should be ensient with one or more children.
Hence Ensienture, the state of being with child, pregnancy.
1775. in Ash.