† nonaˈgesime,a. [ad. L. nōnāgēsim-us: see prec.Cf. F. nonagésime.] =prec. A. 1653Shakerley Tabulæ Britan. 73 Finde the Node ascendent, and subtract it from the Nonagesime degree.1771Phil.Trans. LXI. 438 To find the nonagesime or 90th degree of the ecliptic from the horizon.