(aviation) The downward, corkscrew-motion of a disabled aircraft which is unrecoverably headed for a crash.

plural of spiral DRAGN

(astronomy) a spiral galaxy which contains a DRAGN

A Costa Rican tropical plant distantly related to ginger, Costus barbatus, which is grown for its showy red flowerheads.

plural of spiral ginger

A structure of currents or winds near a horizontal boundary in which the flow direction rotates as one moves away from the boundary.

(astronomy) Ellipsis of superluminous spiral galaxy.

plural of spiral dance

plural of spiral wrack

plural of spiral nebula