Answer | Crossword Clue |
---|---|
ventilator | An appliance or aperture for ventilating a room or other space |
ventilators | An appliance or aperture for ventilating a room or other space |
observatory | A room or building housing an astronomical telescope or other scientific equipment for the study of natural phenomena |
observatories | A room or building housing an astronomical telescope or other scientific equipment for the study of natural phenomena |