turtleback

Definitions

• Anything having the shape of a turtle's back (that is, its shell).
• (nautical) A convex deck at the bow or stern of a vessel, designed to shed seawater quickly.
• A primitive stone celt of a form suggesting the back of a turtle.
• A library binding of a mass-mass market paperback with a generic hardcover.
• Any plant of the genus Psathyrotes of annual and perennial forbs and low subshrubs native to dry areas of southwestern North America.