slumber vb
1 to sleep, esp. peacefully
2 to be quiescent or dormant
3 to spend (time) sleeping n
5 a dormant or quiescent state
(Old English sluma sleep (n); related to Middle High German slummeren, Dutch sluimeren)
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slumberer n
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slumberless adj
slumber party n (U.S. and Canadian) a party attended by girls who dress in night clothes and pass the night eating and talking