Genesis 24:65

She asked Abraham's servant: Who is that man walking toward us in the field? He is my master, the servant answered. So she took her veil (scarf) and covered her face.

Genesis 20:16

He said to Sarah: Do not forget that I have given your brother twenty-five pounds of silver. This is to silence any criticism against you from everyone with you. You are completely cleared.

1 Corinthians 11:5-6

But every woman who prays or prophesies with her head uncovered dishonors her head. She is the same as if she had her head shaved.

1 Corinthians 11:10

That is why the woman should have a sign of authority on her head because of the angels.

1 Timothy 2:9

Likewise I want women to be adorned in modest clothing, with modesty and soundness of mind; not with braided hair, and gold or pearls or costly clothes;

Treasury of Scripture Knowledge

Summary

For she had said unto the servant, What man is this that walketh in the field to meet us? And the servant had said, It is my master: therefore she took a vail, and covered herself.

Bible References

A vail

Genesis 20:16
He said to Sarah: Do not forget that I have given your brother twenty-five pounds of silver. This is to silence any criticism against you from everyone with you. You are completely cleared.
1 Corinthians 11:5
But every woman who prays or prophesies with her head uncovered dishonors her head. She is the same as if she had her head shaved.
1 Timothy 2:9
Likewise I want women to be adorned in modest clothing, with modesty and soundness of mind; not with braided hair, and gold or pearls or costly clothes;