Meaning of 'grinder'

noun

a machine tool that polishes metal

noun

machinery that processes materials by grinding or crushing

Synonyms: mill

noun

grinding tooth with a broad crown

Synonyms: molar

noun

a large sandwich made of a long crusty roll split lengthwise, often filled with meats, cheese, tomato, onion, lettuce and condiments

Example: "I bought a grinder from the shop down the street."

Synonyms: torpedo