The Collaborative International Dictionary of English v.0.48:

Malt \Malt\, v. t. [imp. & p. p. Malted: p. pr. & vb. n.
   Malting.]
   To make into malt; as, to malt barley.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Malting \Malt"ing\, n.
   The process of making, or of becoming malt.
   [1913 Webster]