Wealden

1. n. The Wealden group or strata.
2. a. Of or pertaining to the lowest division of the Cretaceous formation in England and on the Continent, which overlies the Oolitic series.

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.