Definition of "slicer"

slicer

noun
plural slicers
1. Someone or something that slices.
2. A broad, flat knife.
3. A slicing cucumber.
  Quotations
  These are American slicers. But there are many types of cucumbers out there other than American slicers.
  2008, Jeff Cox, The Organic Food Shopper's Guide, page 67
4. A piece of software that converts a model into a series of thin layers for 3D printing.
5. (computing) A kind of data filter used in data visualization.