■ cardinal number
1》 equivalent to the product of two and three; one more than five, or four less than ten; 6. (Roman numeral: vi or VI .)
2》 Cricket a hit that reaches the boundary without first striking the ground, scoring ~ runs.
3》 a group of ~ Brownies or Cubs.
Phrases
at ~es and sevens in a state of confusion or disarray.
knock (or hit ) someone for ~ Brit. informal utterly surprise or overcome someone.
~ feet under informal dead and buried.
~ of one and half a dozen of the other a situation in which there is little difference between two alternatives.
Derivatives
~fold adjective & adverb
Origin
OE siex , ~ , syx , of Gmc origin.