A slicer is thin, long knife, typically between 6" to 14" - depending on the job - with a specialized carnivorous function of carving meats and slicing fish.
The most common sizes found in a home kitchens, range between 8"-10". Slicers can also vary in flexibility, and tip type (some are blunted round, while others are spear pointed). The most common being rigid/stiff and a spear point, but some are even serrated, for those tougher jobs, like turkey or cake! 🍰
Slicing knives also include the Japanese traditional sushi knives. 🍣