'Ventilation' definitions:

Definition of 'ventilation'

From: WordNet
noun
The act of supplying fresh air and getting rid of foul air [syn: ventilation, airing]
noun
A mechanical system in a building that provides fresh air; "she was continually adjusting the ventilation" [syn: ventilation, ventilation system, ventilating system]
noun
Free and open discussion of (or debate on) some question of public interest; "such a proposal deserves thorough public discussion" [syn: public discussion, ventilation]
noun
The bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation [syn: breathing, external respiration, respiration, ventilation]

Definition of 'Ventilation'

From: GCIDE
  • Ventilation \Ven`ti*la"tion\, n. [L. ventilatio: cf. F. ventilation.]
  • 1. The act of ventilating, or the state of being ventilated; the art or process of replacing foul air by that which is pure, in any inclosed place, as a house, a church, a mine, etc.; free exposure to air. [1913 Webster]
  • Insuring, for the laboring man, better ventilation. --F. W. Robertson. [1913 Webster]
  • 2. The act of refrigerating, or cooling; refrigeration; as, ventilation of the blood. [Obs.] --Harvey. [1913 Webster]
  • 3. The act of fanning, or winnowing, for the purpose of separating chaff and dust from the grain. [1913 Webster]
  • 4. The act of sifting, and bringing out to view or examination; free discussion; public exposure. [1913 Webster]
  • The ventilation of these points diffused them to the knowledge of the world. --Bp. Hall. [1913 Webster]
  • 5. The act of giving vent or expression. "Ventilation of his thoughts." --Sir H. Wotton. [1913 Webster]