Source : Webster's Revised Unabridged Dictionary (1913)

Zincking \Zinck"ing\, or Zincing \Zinc"ing\, n. (Metal.)
   The act or process of applying zinc; galvanization.

Zinc \Zinc\, v. t. [imp. & p. p. {Zincked} or {Zinced}; p. pr. &
   vb. n. {Zincking} or {Zincing}.]
   To coat with zinc; to galvanize.