Entry 2 senses · 2 variants Webster, 1913 Swarf · IPA /swɔɹf/ v. i. n. 01 v. i. To grow languid; to faint. 1. To grow languid; to faint.[Scot.] 02 n. The grit worn away from grindstones in grinding cutlery wet. 1. The grit worn away from grindstones in grinding cutlery wet.[Prov. Eng.]