Noun

• S: (n) United States Navy, US Navy, USN, Navy (the navy of the United States of America; the agency that maintains and trains and equips combat-ready naval forces)
• part meronym
• direct hypernym / inherited hypernym / sister term
• S: (n) agency, federal agency, government agency, bureau, office, authority (an administrative unit of government) "the Central Intelligence Agency"; "the Census Bureau"; "Office of Management and Budget"; "Tennessee Valley Authority"
• S: (n) administrative unit, administrative body (a unit with administrative responsibilities)
• S: (n) unit, social unit (an organization regarded as part of a larger social group) "the coach said the offensive unit did a good job"; "after the battle the soldier had trouble rejoining his unit"
• S: (n) organization, organisation (a group of people who work together)
• S: (n) social group (people sharing some social relation)
• S: (n) group, grouping (any number of entities (members) considered as a unit)
• S: (n) abstraction, abstract entity (a general concept formed by extracting common features from specific examples)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• part holonym