Source : Webster's Revised Unabridged Dictionary (1913)

Pernoctation \Per`noc*ta"tion\, n. [L. pernoctatio, fr.
   pernoctare to stay all night; per + nox, noctis, night.]
   The act or state of passing the whole night; a remaining all
   night. ``Pernoctation in prayer.'' --Jer. Taylor.