Humpback

Part of speech: noun (n.)

1. A crooked back; a humped back. Tatler.

2. A humpbacked person; a hunchback.

3. 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 M. osphyia of America; that of the California coasts is M. versabilis.

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