noun

• (obsolete) Synonym of maid: a servant girl.
• (slang, obsolete) Synonym of nancy: an effeminate male homosexual.
• (UK, endearing) Synonym of nursemaid.
• (Britain, Ireland, Australia, Canada, endearing) Synonym of grandmother.
• (World War II era, joint US/RAF) radiotelephony clear-code word for the letter N.
• A diminutive of the female given name Ann and Nancy.
• A province of Thailand.
• A city in Thailand.
• NMDA antagonist neurotoxicity.
• Alternative spelling of naan [A type of round, flat bread baked in a tandoor popular in South and Central Asian cuisine.]
• (computing) Acronym of not a number: applied to numeric values that represent an undefined or unrepresentable value, such as zero divided by itself.
• Initialism of National Assembly of Nigeria.
• (computing) Alternative form of NaN (not a number)