在窝里,在栖息
Roost \Roost\, n. [AS. hr[=o]st; akin to OD. roest roost, roesten to roost, and probably to E. roof. Cf. {Roof}.] 1. The pole or other support on which fowls rest at night; a perch. He clapped his wings upon his roost. --Dryden. 2. A collection of fowls roosting together. {At roost}, on a perch or roost; hence, retired to rest.