vt, -lat*ed  -lat*ing  1  :  to expose to air and esp. to a current of fresh air for purifying or refreshing  2 a  :  OXYGENATE, AERATE < blood in the lungs>   b  :  to subject the lungs of (an individual) to ventilation <artifically a patient in respiratory distress>   3  :  to give verbal expression to (as mental or emotional conflicts) .
 
 
 
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