interstĭtĭum, i, n. [intersisto], a space between, interstice, interval (post-Aug.).
I Of place, Macr. Somn. Scip. 1, 6; Mart. Cap. 8, § 837; Amm. 20, 3, 10.—
II Of time, an interval : quantum interstitii dies habet, Mart. Cap. 6, § 601.— Plur. , Mart. Cap. 6, § 600.