dive Copy link Outline I. Lit., to plunge into water1. mergo, si, sum, 3 (with pron. refl., or as pass.)2. immergo, 3 (same constr. as mergo)3. ūrīnor, 1 (a specific word4. ĭnūrīno, 1 (like preced.II. Fig. • dive: I. Lit., to plunge into water: 1. mergo, si, sum, 3 (with pron. refl., or as pass.): birds which d. in the sea, aves quae se in aequore m., Cic.; who has also mergi in aquam, in same sense: v. to plunge. 2. immergo, 3 (same constr. as mergo): to d. into the water, in aquam se im., Plin.: Curt. 3. ūrīnor, 1 (a specific word: used whether of beasts or men that by nature or skill can remain under water): to plunge as persons who d., demergere, ut qui urinantur, Cic. fr.: Plin. (who has the word in sense to remain under water, as frogs): to d. for pearls, margaritas urinando saxis avellere: cf. Tac. Agr. 12, fin. The form urino is less freq. 4. ĭnūrīno, 1 (like preced.: to d. in): Col. II. Fig.: to search deeply: perscrūtor, explōro, investīgo, 1: v. to search out, penetrate.