† ˈexterous,a.Obs.rare. [f. L. exter outward + -ous.] Outward, outside; far removed. 1570Levins Manip. 225 Exterouse, exterus.1647H. More Song of Soul ii. iii. iii. lxiii, When in her full, She seemeth least; which proves she's exterous Beyond the Sunne, and further off doth roll.