Dictionary.net

• The Bastille, formerly a castle or fortress in Paris, used as a prison, especially for political offenders; hence, a rhetorical name for a prison.

2010 - New Age Dictionary Database
By Oddity Software

• The Bastille, formerly a castle or fortress in Paris, used as a prison, especially for political offenders; hence, a rhetorical name for a prison.

1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.