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.
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Wen·tle·trap n. [Obs.] Any one of numerous species of elegant, usually white, marine shells of the genus Scalaria, especially Scalaria pretiosa, which was formerly highly valued; -- called also staircase shell. See Scalaria.
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