Source : Webster's Revised Unabridged Dictionary (1913)

Derivate \Der"i*vate\, a. [L. derivatus, p. p. of derivare. See
   {Derive}.]
   Derived; derivative. [R.] --H. Taylor. -- n. A thing derived;
   a derivative. [R.]

Derivate \Der"i*vate\, v. t.
   To derive. [Obs.] --Huloet.