Definition of iranians:
(n) :
A person from Iran, or a descendant thereof.
(adj) :
Of or relating to Iran, its people or its culture.
(adj) :
(linguistics) Pertaining to the Iranian languages or their speakers.
(n) :
(linguistics) A person of a diverse ethnolinguistic group that speaks the Iranian languages and shares descent from the Proto-Iranians.
(n) :
(nonstandard) Persian (the language).