Dialectal, chiefly Scottish and Northern English.
Definitions
Dialect. To slip or slide, especially on a wet or icy surface. Take care or you might slitter on the muddy path.
Dialect. To spill or splash (liquid) messily. She slittered gravy all over the tablecloth.
Used attributively to describe equipment or components involved in slitting operations.
Definitions
Relating to or used for slitting materials into narrower strips. The slitter blades need frequent sharpening to maintain clean cuts.