Undercroft
- n. A subterranean room of any kind; esp., one under a church (see Crypt), or one used as a chapel or for any sacred purpose.
The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.