'Week' in the Bible

But her brother and her mother said, Let the girl be with us a week or ten days, and then she may go.

Let the week of the bride-feast come to its end and then we will give you the other in addition, if you will be my servant for another seven years.

And Jacob did so; and when the week was ended, Laban gave him his daughter Rachel for his wife.

And a strong order will be sent out against the great number for one week; and so for half of the week the offering and the meal offering will come to an end; and in its place will be an unclean thing causing fear; till the destruction which has been fixed is let loose on him who has made waste.