Ridge ventilator

Ridge ventilator

A raised section on a roof ridge provided with vents to admit air currents.

ridge ventilator

A roof ventilator that straddles a ridge of the roof of a barn; usually square in plan and constructed of wood and/or metal.
References in periodicals archive ?
It's good to vent On hot days, opening a ridge ventilator is often not enough to prevent a stagnant atmosphere.