The word cardinal comes
from the Latin cardo for "hinge" and usually refers
to things of fundamental importance, as in cardinal rule or cardinal
sins. In mathematics,
cardinal is short for cardinal number.
In Catholicism, a cardinal is a prince of the Church; cardinals
are appointed by the Pope and collectively elect the next Pope
if they are under the age of eighty at the time of the election.
See Cardinal (Catholicism).
Cardinal (color) is a bright red color like the color of the robe
of a cardinal. In ornithology, a cardinal is a songbird of the
family Cardinalidae or more often the genus Cardinalis, in North
America especially the Northern Cardinal, C. cardinalis. Males
of this species are cardinal red, hence the name. In sports, the
Cardinals are: A baseball team in St. Louis, Missouri (see St.
Louis Cardinals). An American football team in Arizona (see Arizona
The mascot for
the Kentucky based University of Louisville intercollegiate sports
teams. Furthermore, the Cardinal (singular, referring to the color)
is the mascot for teams from Stanford University, California (see
Stanford Cardinal). Cardinal is a Swiss beer brand. Douglas J
Cardinal is a renowned Canadian architect. The Cardinal was a
named passenger train operated by the Chicago & Eastern Illinois
railroad between Chicago, IL and St. Louis, MO. There are places
that have the name Cardinal in North America
Above Images Are From The U.S. Fish and Wildlife Service