Sep-tā'rĭ-ŭm, n.
n.; pl. SEP-TĀ'R-Ĭ-A. [From Lat. septum, an inclosure, a partition, from sepire, to inclose.] (Geol.) A flattened, imbedded nodule of clay, marl, or limestone, intersected by seams. Dana.
n.; pl. SEP-TĀ'R-Ĭ-A. [From Lat. septum, an inclosure, a partition, from sepire, to inclose.] (Geol.) A flattened, imbedded nodule of clay, marl, or limestone, intersected by seams. Dana.