— ventilatory /ven"tl euh tawr'ee, -tohr'ee/ , adj.
/ven'tl ay"sheuhn/ , n.
1. the act of ventilating.
2. the state of being ventilated.
3. facilities or equipment for providing ventilation.
[ 1425-75; late ME ventilacioun ventilation- (s. of ventilatio ), equiv. to ventilat ( us ) (see VENTILATE) + -ion- -ION ]