Dormitive

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Dormitive \Dor"mi*tive\, a. [Cf. F. dormitif, fr. dormire to
     sleep.]
     Causing sleep; as, the dormitive properties of opium.
     --Clarke. -- n. (Med.) A medicine to promote sleep; a
     soporific; an opiate.
     [1913 Webster]