What is "to fume away"

Fume \Fume\, v. i. [imp. & p. p. Fumed; p. pr. & vb. n. Fuming.] [Cf. F. fumer, L. fumare to smoke. See Fume, n.]

1. To smoke; to throw off fumes, as in combustion or chemical action; to rise up, as vapor.

   Where the golden altar fumed.
   --Milton.

   Silenus lay, Whose constant cups lay fuming to his brain.
   --Roscommon.

2. To be as in a mist; to be dulled and stupefied.

   Keep his brain fuming.
   --Shak.

3. To pass off in fumes or vapors.

   Their parts are kept from fuming away by their fixity.
   --Cheyne.

4. To be in a rage; to be hot with anger.

   He frets, he fumes, he stares, he stamps the ground.
   --Dryden.

   While her mother did fret, and her father did fume.
   --Sir W. Scott.

   To fume away, to give way to excitement and displeasure; to storm; also, to pass off in fumes.