ˈroosted,a.rare. [f. roost v. orn.1] Perched on a roost. Also fig. 1748Thomson Castle Indol. ii. xl, Yet oft his anxious eye Mark'd them, like wily fox who roosted cock doth spy.1779Sheridan Critic ii. ii, Is't thus your new-fledged zeal And plumed valour moulds in roosted sloth?