Genesis 24:65

and she saith unto the servant, 'Who is this man who is walking in the field to meet us?' and the servant saith, 'It is my lord;' and she taketh the veil, and covereth herself.

Genesis 20:16

and to Sarah he hath said, 'Lo, I have given a thousand silverlings to thy brother; lo, it is to thee a covering of eyes, to all who are with thee;' and by all this she is reasoned with.

1 Corinthians 11:5-6

and every woman praying or prophesying with the head uncovered, doth dishonour her own head, for it is one and the same thing with her being shaven,

1 Corinthians 11:10

because of this the woman ought to have a token of authority upon the head, because of the messengers;

1 Timothy 2:9

in like manner also the women, in becoming apparel, with modesty and sobriety to adorn themselves, not in braided hair, or gold, or pearls, or garments of great price,

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
and to Sarah he hath said, 'Lo, I have given a thousand silverlings to thy brother; lo, it is to thee a covering of eyes, to all who are with thee;' and by all this she is reasoned with.
1 Corinthians 11:5
and every woman praying or prophesying with the head uncovered, doth dishonour her own head, for it is one and the same thing with her being shaven,
1 Timothy 2:9
in like manner also the women, in becoming apparel, with modesty and sobriety to adorn themselves, not in braided hair, or gold, or pearls, or garments of great price,