I.of or belonging to a siege: corona, a crown of grass, granted as a reward to a general who rescued others from siege, Paul. ex Fest. p. 190 Müll.; so Liv. 7, 37, 2; Plin. 22, 4, 4, § 7; Gell. 5, 6, 8; Aur. Vict. Vir. Ill. 59: “machinae,” Amm. 24, 1: “morae,” Front. Strat. 1, 3, 4: “mala,” Amm. 14, 2.
obsĭdĭōnālis , e, adj. obsidio,