definition of
roost

[1] #1 roost v. [perch, rest] sit, as on a branch; "The birds perched high in the tree". wn

[2] #2 roost n. a shelter with perches for fowl or other birds. wn

[3] #3 roost n. a perch on which domestic fowl rest or sleep. wn

[4] #4 roost v. settle down or stay, as if on a roost. wn