A gryphaea, a kind of extinct oyster.

plural of devil's doorbell

A meters-deep, corkscrew-shaped formation of compact earth found in the American Midwest that is the infilled burrow of an ancient beaver genus, Palaeocastor

Alternative form of devil strip

A waterfall in Wassen Creek, Devil’s Staircase Wilderness, Siuslaw National Forest, Oregon, United States; a multi-tiered low cascading waterfall.

Alternative spelling of devil's bit

Any of several circular markings on flat ground, some supposed to have been made by the Druids celebrating their religious rites.

Particularly devilish; highly unpleasant or evil. / Intense.

(idiomatic) One who debates from a viewpoint which he or she may not actually hold, usually to determine its validity or simply for the sake of argument.

(informal) Whiskey.