Wentletrap
Pronunciation : Wen"tle*trap`
Part of Speech : n.
Etymology : [D. wenteltrap a winding staircase; cf. G. wendeltreppe.] [Obs.]
Definition : Defn: 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.
Source : Webster's Unabridged Dictionary, 1913