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noctambulist

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noun noct·am·bu·list \näk-ˈtam-byə-list\

Definition of noctambulist

  1. :  a person who walks while asleep :  sleepwalker



Origin and Etymology of noctambulist

Latin noct-, nox night + -ambulist (as in somnambulist) — more at night


First Known Use: circa 1731


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