delln.[AS. del, akin to E. dale; cf. D. delle, del, low ground. See Dale.]1. A small, retired valley; a ravine.()In dells and dales, concealed from human sight. (Tickell.)2. A young woman; a wench.()Sweet doxies and dells. (B. Jonson.) A shortened form of Accademia della Crusca, an academy in Florence, Italy, founded in the 16th century, especially for conserving the purity of the Italian language.()()