Definify.com
Webster 1913 Edition
Humpback
1.
A crooked back; a humped back.
Tatler.
2.
A humpbacked person; a hunchback.
3.
(Zool.)
(a)
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
. (b)
A small salmon (
Oncorhynchus gorbuscha
), of the northwest coast of America; the humpbacked salmon
. Webster 1828 Edition
Humpback
HUMP'BACK
,Noun.