Answer: muller

AnswerCrossword Clue
MULLERMaria ..., German Wagnerian soprano.
MULLERRecipient of 1946 Nobel Prize in medicine.
MULLERGrinding tool
MULLERPerson pondering
MULLERPerson cogitating
mullercontainer for mulling an alcoholic beverage over a fire
mullerimplement of stone or other substance with a flat base for grinding paints, powders, etc., on a slab of stone or the like
mullerany of various mechanical devices for grinding
mullerperson or thing that mulls
mullerto inflict a severe defeat on