Swarf (?), v. i. [Cf. Swerve.] To grow languid; to faint. [Scot.] “To swarf for very hunger.” Sir W. Scott.[1913 Webster]
Swarf, n. [Cf. Swerve.] The grit worn away from grindstones in grinding cutlery wet. [Prov. Eng.][1913 Webster]