v. i.
v. t. To cause (frozen things, as earth, snow, ice) to melt, soften, or dissolve. [ 1913 Webster ]
n. The melting of ice, snow, or other congealed matter; the resolution of ice, or the like, into the state of a fluid; liquefaction by heat of anything congealed by frost; also, a warmth of weather sufficient to melt that which is congealed. Dryden. [ 1913 Webster ]
a. Liquefying by heat after having been frozen; thawing; melting. [ archaic ] [ 1913 Webster +PJC ]