WordNet (r) 3.0 (2006):

Proventil
    n 1: a bronchodilator (trade names Ventolin or Proventil) used
         for asthma and emphysema and other lung conditions;
         available in oral or inhalant forms; side effects are
         tachycardia and shakiness [syn: albuterol, Ventolin,
         Proventil]