What is "aapa"

n. (context rare English) A sister that is older than oneself; (non-gloss definition: also used as a term of familiarity or respect toward a woman that is older.)

AAPA may refer to:

• American Association of Physical Anthropologists, an American-based international scientific society of physical anthropologists
• American Association of Port Authorities, a trade association
• Association Against the Prohibition Amendment, a leading organization working for the repeal of prohibition in the United States
• Association of Asia Pacific Airlines, a trade association
• Association of Authorised Public Accountants, a British professional body for public accountants
• The American Academy of Physician Assistants, the organization representing physician assistants in the United States of America
• The American Association of Pathologists' Assistants, the representing organization of Pathologists' Assistants