roost
noun
[ ruːst ]
• a place where birds regularly settle or congregate to rest at night, or where bats congregate to rest in the day.
• "birds were hurrying to their evening roosts"
roost
verb
• (of a bird or bat) settle or congregate for rest or sleep.
• "migrating martins and swallows were settling to roost"
Origin:
Old English hrōst, related to Dutch roest ; of unknown ultimate origin.
roost
noun
• (in the Orkneys and Shetlands) a tidal race.
Origin:
mid 17th century: from Old Norse rǫst .
rule the roost
• be in complete control.
• "in this particular society men rule the roost and women have a low status and few rights"