Meaning

• 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

• A warmth of weather sufficient to melt that which is frozen

Meaning

• To gradually melt, dissolve, or become fluid; to soften from frozen

  "the ice thaws"

• To become so warm as to melt ice and snow — said in reference to the weather, and used impersonally.

  "It's beginning to thaw."

• To grow gentle or genial.

  "Her anger has thawed."

• To gradually cause frozen things (such as earth, snow, ice) to melt, soften, or dissolve.