[a. Fr. aliénage (1398 in Godef.), f. alien: see -AGE.] The state or condition of an alien; the legal standing of an alien.
1809. Tomlins, Law Dict., s.v. Abatement, Alienage is a plea in abatement, now discouraged, and seldom used.
1863. Lincoln, Message to Congr., 8 Dec. Exemption from military service on the ground of alienage.