Sea-lā'rī-ā, n.

noun

n. [Lat., flight of steps.] (Conch.) A genus of gasteropodous mollusks, having shells pure white and lustrous, of a turreted form, with many whorls, and ornamented with many transverse ribs. Baird.

An illustration of a tall, spiraled shell.
Scalaria com- munis.