This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.
grinder (plural grinders)
- One who grinds something, such as the teeth.
2010, A. J. Larner, A Dictionary of Neurological Signs, page 68:
- Masseter hypertrophy may become apparent in persistent grinders.
- (anatomical) A molar.
- A power tool with a spinning abrasive disc, used for grinding, smoothing, and shaping materials, usually metal.
- (US, regional) A sandwich made on a long, cylindrical roll.
- I am going to the deli to get a grinder for lunch.
1996, Michael Craig Budden, Protecting Trade Secrets under the Uniform Trade Secrets Act: Practical Advice for Executives, Westport, Conn.: Quorum Books, ISBN 978-1-56720-016-4, page 20:
- It was reported that the recipes for the secret sauce and grinder sandwiches were proprietary, known only to the current president of the corporation and the former owner of the restaurant.
- A kitchen gadget for processing coffee, herbs etc. into small or powdered pieces
- The restless flycatcher (Seisura inquieta) of Australia, which makes a noise like a scissors grinder.
- (music, slang) A fan or performer of grindcore music.
The usage of grinder and related terms for sandwiches varies widely. In the Philadelphia area, for example, a "grinder" is distinguished from a "hoagie" in that the grinder is toasted or baked, and usually lacks lettuce.
- (sandwich): sub