Found 1 items, similar to staircase shell.
English → English (gcide) Definition: staircase shell Wentletrap \Wen"tle*trap`\, n. [D. wenteltrap a winding staircase; cf. G. wendeltreppe.] [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. [1913 Webster]