teguline adjective 1noun 1forms 1 adjective1 •Of a specific type used by potters or for the making of roof tiles.Considerable deposits of teguline clays, or potter's-clay, and tile-clay, are found in various parts of the country, especially in the Cantons of Geneva, Neuchfitel, and Berne. — 1872 noun1 •Any spider of the genus Tegulinus formstegulines