leap into Copy link Outline 1. insĭlio, 4. to l. upon a horse, in equum ins., Liv. 6, 7, med.2. assĭlio, 4 (to l. upon • leap into, on, or upon: 1. insĭlio, 4. to l. upon a horse, in equum ins., Liv. 6, 7, med.: with acc. alone (= into) or dat. (= upon): both poet.: he leaped into Etna, Aetnam insiluit, Hor. A. P. 466: to l. on any one's back, tergo alicujus ins., Ov. M. 12, 346: with supra and acc., Phaedr. 1, 2, 20. 2. assĭlio, 4 (to l. upon: chiefly poet.). to l. upon the walls of a city, moenibus urbis a., Ov. M. 11, 526. Phr.: he (Curtius) l.'d into the gulf, se in specum immisit, Liv. 7, 6.