Meanings
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1
noun
a perch on which a bird rests or sleeps
At dusk, the hens returned to their roost in the old apple tree.
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2
noun
a place where birds or bats regularly settle to rest or sleep
Thousands of starlings gathered at the communal roost before nightfall.
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3
verb
to settle somewhere in order to rest or sleep, especially on a perch
The vultures roost together on the cliff ledges.
Thesaurus
Etymology
From Middle English roste, from Old English hrost, a wooden framework, roof structure, or perch. Cognates in Dutch and German also denote a roost, grate, or framework; the sense narrowed in English to a structure or place on which birds rest.