Found 1 items, similar to Staircase shell.
English → English (gcide) Definition: Staircase shell Staircase \Stair"case`\ (st[^a]r"k[=a]s`), n. A flight of stairs with their supporting framework, casing, balusters, etc. [1913 Webster] To make a complete staircase is a curious piece of architecture. --Sir H. Wotton. [1913 Webster] Staircase shell. (Zo["o]l.) (a) Any scalaria, or wentletrap. (b) Any species of Solarium, or perspective shell. [1913 Webster]