noun, technical - a machine tool used for shaping solid materials, especially metal, by cutting away parts with a rotating tool
noun - a person who supports and protects someone or something from attack or criticism
noun - a player whose role is to stop the opposing team from scoring, especially in football (soccer) or similar sports
verb, formal - to suggest or assume the existence, fact, or truth of something as a basis for reasoning or discussion, especially as a principle to be accepted without proof
noun - the quality of being strange or unusual; the state of being odd or different from what is expected or normal