† sliss,v.Obs.rare. [ad.Du. and Flem.slissen.] trans. To slake or slack (lime). 1599A. M. tr.Gabelhouer's Bk. Physicke 330/2 Take vnslissed lime, slisse him 8 or 9 times with water.Ibid. 331/1 Then take of the slissede lime, a little oyle, and both the waters.