Definition from Wiktionary, the free dictionary
Alternative forms 
From Pashto پښتون (paṧtun)
- Of or relating to the Pashtuns (a segmentary-lineage ethnic group currently numbering some 50 million people, which is the largest ethnic group in Afghanistan and the second largest in Pakistan), or to their culture.
Pashtun (plural Pashtuns)
- A Pashtun person: a member of the Pashtun ethnic group, or of a Pashtun tribe.
- A Pashto-speaking person.
Proper noun 
- Pashto: the language of the Pashtun ethnic group.
Pashto — see Pashto