praesentānĕus, a, um, adj. [praesens].
I Momentary , instantaneous (late Lat.): commotio, Lact. de Ira Dei, 21, 8.—
II That operates quickly or immediately (post-Aug.): remedium, Plin. 21, 31, 105, § 180: venenum, id. 24, 1, 1, § 2: (remedium) quam posset velocissimum ac praesentaneum coquere, Suet. Ner. 33; Sen. Ep. 95, 25.—Subst.: praesentānĕum , i, n., a remedy that operates quickly , Plin. 30, 9, 23, § 79.—Adv.: praesentānĕē , forthwith , immediately (post-class.), Theod. Prisc. ad Tim. Fr. praef. 1.