wentletrap

• POS: Noun
• HYPHEN: wen=tle=trap

CIDE DICTIONARY

wentletrap, n. [D. wenteltrap a winding staircase; cf. G. wendeltreppe.].

 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]

OXFORD DICTIONARY

wentletrap, n. any marine snail of the genus Clathrus, with a spiral shell of many whorls.

Etymology

Du. wenteltrap winding stair, spiral shell