Caecum

1. n. The blind part of the large intestine beyond the entrance of the small intestine; — called also the blind gut.
2. n. A cavity open at one end, as the blind end of a canal or duct.

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.