Somniferous

2 definitions found

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

  Somniferous \Som*nif"er*ous\, a. [L. somnifer; somnus sleep +
     ferre to bring.]
     Causing or inducing sleep; soporific; dormitive; as, a
     somniferous potion. --Walton.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  somniferous
       adj : sleep inducing [syn: {soporific}, {soporiferous}, {somnific},
              {hypnogogic}, {hypnagogic}]