‖n. [ L. ] (Med.) Profound sleep from which a person can be roused only with difficulty. [ 1913 Webster ]
v. t. [ L. soporatus, p. p. or soporare to put to sleep, fr. sopor a heavy sleep. ] To lay or put to sleep; to stupefy. [ Obs. ] Cudworth. [ 1913 Webster ]
a. [ L. soparifer; sopor a heavy sleep + ferere to bring. ] Causing sleep; somniferous; soporific. “Soporiferous medicine.” Swift. [ 1913 Webster ]
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a. [ L. sopor a heavy sleep (akin to somnus sleep) + facere to make. See Somnolent, Fact. ] Causing sleep; tending to cause sleep; soporiferous;
n. A medicine, drug, plant, or other agent that has the quality of inducing sleep; a narcotic. [ 1913 Webster ]