noun

• (now rare) A self-evident axiom or premise; a pithy expression of a general principle or rule.
• A precept; a succinct statement or observation of a rule of conduct or moral teaching.
• A surname
• (firearms) The Maxim gun, a British machine gun of various calibres used by the British army from 1889 until World War I.
• (firearms) Any machine gun that derives from the design pattern of Maxim's patented design
• (firearms, informal, obsolete) A machine gun
• Alternative letter-case form of Maxim [A surname]