the act of supplying fresh air and getting rid of foul air | throwing something heavy (with great effort) |
the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation | breathing heavily (as after exertion) |
a mechanical system in a building that provides fresh air | the act of lifting something with great effort |
free and open discussion of (or debate on) some question of public interest | an upward movement (especially a rhythmical rising and falling) |