Dethaw
Part of speech: verb
Definition: To unfreeze; to thaw.
Thaw
Part of speech: noun
Definition: 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 frosta warmth of weather sufficient to melt that which is congealed. —w:Dryden.
Part of speech: verb
Definition: To melt, dissolve, or become fluid; to soften; — said of that which is frozen; as, the ice thaws. Specifically by gradual warmingTo become so warm as to melt ice and snow; — said in reference to the weather, and used impersonally.To grow gentle or genial.To cause frozen things (such as earth, snow, ice) to melt, soften, or dissolve. Specifically by gradual warming.