\Weald"en\ (?; 277), a. [AS. weald, wald, a forest, a
wood. So called because this formation occurs in the wealds,
or woods, of Kent and Sussex. See {Weald}.] (Geol.)
Of or pertaining to the lowest division of the Cretaceous
formation in England and on the Continent, which overlies the
O["o]litic series.

\Weald"en\, n. (Geol.)
The Wealden group or strata.