What is Separate Examination?

Legal Definition
The interrogation of a married woman, who appears before an officer for the purpose of acknowledging a deed or other instrument, conducted by such officer in private or out of the hearing of her husband, in order to ascertain if she acts of her own will and without compulsion or constraint of the husband. Also the examination of a witness in private or apart from, and out of the hearing of, the other witnesses in the same cause.
-- Black's Law Dictionary
Legal Definition
A notary’s questioning of a wife apart from her husband upog taking her acknowledgment.
-- Ballentine's Law Dictionary