What does the word grind mean?

Usage examples for grind

  1. First of all, our rooms will be always in order; he will clean our boots, go on errands, wash my brushes; I will even try and give him a taste of the fine arts, and make him grind colors. – Bohemians of the Latin Quarter by Henry Murger
  2. Charitable institutions would find it advantageous to grind tea to powder; in this way one half the quantity of tea ordinarily used is saved. – Breakfast Dainties by Thomas J. Murrey
  3. But if you gentlemen don't wish to grind it, it will be ground, notwithstanding. – Empire Builders by Francis Lynde