thaw
thaw
noun
A period of warmer weather causing ice and snow to melt.
"We are expecting a thaw next week."
verb
To melt or become liquid after being frozen, especially ice, snow, or food.
"The frozen ground began to thaw."
Thesaurus
Synonyms: unfreeze, unthaw, melt, dissolve, dethaw, melting, thawing, warming