Source : Webster's Revised Unabridged Dictionary (1913)

Malleate \Mal"le*ate\, v. t. [imp. & p. p. {Malleated}; p. pr. &
   vb. n. {Malleating}.] [L. malleatus hammered, fr. malleus a
   hammer. See {Mall}, v. t.]
   To hammer; to beat into a plate or leaf.