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.

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.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Six \Six\, n.

1. The number greater by a unit than five; the sum of three and three; six units or objects.

2. A symbol representing six units, as 6, vi., or VI.

To be at six and seven or at sixes and sevens, to be in disorder. --Bacon. Shak. Swift.

Source: Webster's Revised Unabridged Dictionary (1913)