Source : Webster's Revised Unabridged Dictionary (1913)

Swarf \Swarf\, v. i. [Cf. {Swerve}.]
   To grow languid; to faint. [Scot.] ``To swarf for very
   hunger.'' --Sir W. Scott.

Swarf \Swarf\, n. [Cf. {Swerve}.]
   The grit worn away from grindstones in grinding cutlery wet.
   [Prov. Eng.]