Stair"case` (?), n.
A flight of stairs with their supporting framework, casing, balusters, etc.
To make a complete staircase is a curious piece of architecture.
Sir H. Wotton.
Staircase shell. Zool. (a) Any scalaria, or wentletrap. (b) Any species of Solarium, or perspective shell.
© Webster 1913.