- A perch on which domestic fowl or other birds rest or sleep.
- A place with perches for fowl or other birds.
- A place for temporary rest or sleep.
- To rest or sleep on or as if on a perch or roost.
- come home to roost To have repercussions or aftereffects, especially unfavorable ones: The consequences of your mistake will eventually come home to roost.
- rule the roost Informal To be in charge; dominate: In this house my parents rule the roost.