Source : Webster's Revised Unabridged Dictionary (1913)

Marginate \Mar"gin*ate\, a. [L. marginatus, p. p. of marginare
   to margin. See {Margin}, n.]
   Having a margin distinct in appearance or structure.

Marginate \Mar"gin*ate\, v. t.
   To furnish with a distinct margin; to margin. [R.]
   --Cockeram.