a. [ L. soparifer; sopor a heavy sleep + ferere to bring. ] Causing sleep; somniferous; soporific. “Soporiferous medicine.” Swift. [ 1913 Webster ]
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a. [ Spore + -ferous. ] (Biol.) Bearing or producing spores. [ 1913 Webster ]
a. [ L. vaporifer; vapor + ferre to bear. ] Conveying or producing vapor. [ 1913 Webster ]