||Sep*ta"ri*um (?), n.;pl.
Septaria (#). [NL., fr. L. septum,
saeptum, an inclosure, a partition, fr. sepire,
saepire, to inclose.] (Geol.) A flattened
concretionary nodule, usually of limestone, intersected within by
cracks which are often filled with calcite, barite, or other
minerals.