kerf /kɜː(ɹ)f/noun 5verb 1forms 3 noun5 •The groove or slit created by cutting or sawing something; an incision. •The distance between diverging saw teeth.Sawing with a thin-kerf blade produces a kerf that's 1/2 to 1/3 the size of a standard blade kerf. — 1991 •The portion or quantity (e.g. of wood, hay, turf, wool, etc.) removed or cut off in a given stroke.Sawing with a thin-kerf blade produces a kerf that's 1/2 to 1/3 the size of a standard blade kerf. — 1991 •The flattened, cut-off end of a branch or tree; a stump or sawn-off cross-section.Sebastian, still not alone, is seated on the white-and-cinder-grey trunk of a felled tree. […] A Camberwell Beauty skims past and settles on the kerf, fanning its velvety wings. — 1941 •(no longer used) The act of cutting or carving something; a stroke or slice. verb1 •To cut a piece of wood or other material with several kerfs to allow it to be bent. formskerfed · kerfing · kerfs