A crooked back; a humped back.

Any whale of the genus Megaptera, characterized by a hump or bunch on the back. Several species are known. The most common ones in the North Atlantic are Megaptera longimana of Europe, and Megaptera osphyia of America; that of the California coasts is Megaptera versabilis.

A small salmon (Oncorhynchus gorbuscha), of the northwest coast of America; the humpbacked salmon.

A humpbacked person; a hunchback.

A description of the sideview of a bridge having relatively steep approach embankments leading to the bridge deck.

See "Dome."

an abnormal backward curve to the vertebral column