muller

/ˈmʌlər/
noun
  1. A tool with a flat, rounded bottom used for grinding or mixing substances on a hard surface, such as in a mortar or on a slab.
    • A stone muller is ideal for crushing herbs and spices.
    • The artist used a glass muller to grind pigments for paint.
    • He pressed the muller firmly against the slab to mix the ink.
Synonyms
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