diphenhydramine

1 definition found

diphenhydramine - WordNet (r) 2.1 (2005) :

  diphenhydramine
      n 1: antihistamine (trade name Benadryl) used to treat allergic
           reactions involving the nasal passages (hay fever) and also
           to treat motion sickness [syn: diphenhydramine,
           Benadryl]