Yamataian has several meanings:

1. n. A citizen of the Yamatai Star Empire
2. n. A native of the planet Yamatai (Planet)
3. n. A member of the Yamatai Star Empire's self-created species, the Yamataian
4. n. Japanese language used in the era where the Star Army Role-Play takes place.
5. adj. Of the Yamatai Star Empire
6. adj. Of the NH-22C Yamataian or Minkan species
7. adj. Customary to Yamataian culture (such as the tradition of bowing) See: Yamataian Culture
8. adj. Of the Yamataian language Yamataigo (邪馬台語).