'Six Nations' definitions:

Definition of 'Six Nations'

(from WordNet)
noun
A league of Iroquois tribes including originally the Mohawk, Oneida, Onondaga, Cayuga and Seneca (the Five Nations); after 1722 they were joined by the Tuscarora (the Six Nations) [syn: Iroquois League, League of Iroquois, Five Nations, Six Nations]

Definition of 'Six Nations'

From: GCIDE
  • Six \Six\, a. [AS. six, seox, siex; akin to OFries. sex, D. zes, OS. & OHG. sehs, G. sechs, Icel., Sw., & Dan. sex, Goth. sa['i]hs, Lith. szeszi, Russ. sheste, Gael. & Ir. se, W. chwech, L. sex, Gr. ??, Per. shesh, Skr. shash. [root]304. Cf. Hexagon, Hexameter, Samite, Senary, Sextant, Sice.] One more than five; twice three; as, six yards. [1913 Webster]
  • Six Nations (Ethnol.), a confederation of North American Indians formed by the union of the Tuscaroras and the Five Nations.
  • Six points circle. (Geom.) See Nine points circle, under Nine. [1913 Webster]