'Somnific' definitions:

Definition of 'somnific'

From: WordNet
adjective
Sleep inducing [syn: soporific, soporiferous, somniferous, somnific, hypnogogic, hypnagogic]

Definition of 'Somnific'

From: GCIDE
  • Somnific \Som*nif"ic\, a. [L. somnificus; somnus sleep + facere to make.] Causing sleep; somniferous. [1913 Webster]