Question: Is Shakespeare's use of the word closet the same as ours?
Answer: Shakespeare uses the word "closet" to mean one's
private apartments as it does in the Scriptures. It
is now used to mean a small recess adjoining a larger room.
Mertins, Emma. Shakespeare Examinations. Ed. William Taylor Thom, M. A. Boston: Ginn and Co., 1888. Shakespeare Online. 10 Aug. 2010. (date when you accessed the information) < http://www.shakespeare-online.com/plays/hamlet/examq/four.html >.