Definitions of Indian:

• noun:   a member of the race of people living in North America when Europeans arrived
• noun:   a native or inhabitant of India
• noun:   any of the languages spoken by Amerindians
• adjective:   of or pertaining to American Indians or their culture or languages

  Example: "Indian arrowheads"

• adjective:   of or relating to or characteristic of India or the East Indies or their peoples or languages or cultures

  Example: "The Indian subcontinent"