Six

a. [A-S. six, seox, sex, O. Sax. & O. H. Ger. sehs, Goth. saihs, D. zes, L. Ger. söss, Icel., O. Fries., Sw., & Dan. sex, N. H. Ger. sechs, Lat. sex, Gr. ἕξ, Per. shesh, Lith. szessi, Russ. shestj, Skr. shash, Fr. six, Pr., Sp., & Pg. seis, It. sei, Heb. shêsh.] Twice three; one more than five; as, six yards.

n. 1. The number greater by a unit than five; the sum of three and three.

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

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