The Collaborative International Dictionary of English v.0.48:
Zinc \Zinc\, v. t. [imp. & p. p. Zincked or Zinced; p. pr. & vb. n. Zincking or Zincing.] To coat with zinc; to galvanize. [1913 Webster]The Collaborative International Dictionary of English v.0.48:
Zincking \Zinck"ing\, or Zincing \Zinc"ing\, n. (Metal.) The act or process of applying zinc; galvanization. [1913 Webster]