Thaw | Webster's Dictionary (1865)

Thaw, v. i.

verbintransitive

v. i. [imp. & p. p. THAWED; p. pr. & vb. n. THAWING.] [A-S. thawan, N. H. Ger. thawen, Sw. töa, Dan. töe, Icel. thama, D. dooijen, O. H. Ger. daujan, daujan, to consume, digest, N. H. Ger. verdauen, to digest, Goth. daujan, to unloose, enfeeble.]

Sense 1. To melt, dissolve, or become fluid;—said of that which is frozen; as, the ice thaws.

Sense 2. To become so warm as to melt ice and snow;—said in reference to the weather, and used impersonally.

Thaw, v. t.

verbtransitive

v. t. To cause to melt; to dissolve, as ice, snow, hail, or frozen earth.

Thaw, n.

noun

n. [See supra. Cf. Icel. thām, a cold fog, thā, frozen ground, theyr, a cold wind.] The melting of ice or snow; the resolution of ice into the state of a fluid; liquefaction by heat of any thing congealed by frost.