Here you will find one or more explanations in English for the word Iroquoian.
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Iroquoian Ir`o*quoi"an ([i^]r`[-o]*kwoi"an), a.
Of, pertaining to, or designating, one of the principal
linguistic stocks of the North American Indians. The
territory of the northern Iroquoian tribes, of whom the Five
Nations, or Iroquois proper, were the chief, extended from
the shores of the St. Lawrence and of Lakes Huron, Ontario,
and Erie south, through eastern Pennsylvania, to Maryland;
that of the southern tribes, of whom the Cherokees were
chief, formed part of Virginia, the Carolinas, Georgia,
Tennessee, and Kentucky. All of the tribes were agricultural,
and they were noted for large, communal houses, palisaded
towns, and ability to organize, as well as for skill in war.
-- n. An Indian of an Iroquoian tribe.
Meaning of Iroquoian from wikipedia