Source : Webster's Revised Unabridged Dictionary (1913)

Delibrate \Del"i*brate\, v. t. [imp. & p. p. {Delibrated}; p.
   pr. & vb. n. {Delibrating}.] [L. delibratus, p. p. of
   delibrare to delibrate; de from + liber bark.]
   To strip off the bark; to peel. [Obs.] --Ash.