Milt (?), n. [AS. milte; akin to D. milt, G. milz, OHG. milzi, Icel. milti, Dan. milt, Sw. mjälte, and prob. to E. malt, melt. √108. See Malt the grain.] (Anat.) The spleen.
[1913 Webster]

Milt, v. t. To impregnate (the roe of a fish) with milt.
[1913 Webster]