intransitive verb
Definition: To change from a frozen state to a liquid state as it warms up, or to become less formal or reserved.
Example: The ice will thaw when the temperature rises above freezing.
noun
Definition: A time when warm weather causes ice and snow to melt.
Example: The thaw in early spring allowed the rivers to flow freely again.
transitive verb
Definition: To make something that is frozen become soft or liquid by warming it up.
Example: I need to thaw the chicken before cooking it.