
Cardinal (adjective)
Of fundamental importance; crucial, pivotal.
“a cardinal rule”
Cardinal (adjective)
Of or relating to the cardinal directions (north, south, east and west).
“a cardinal mark”
Cardinal (adjective)
Describing a “natural” number used to indicate quantity (e.g., one, two, three), as opposed to an ordinal number indicating relative position.
Cardinal (adjective)
Having a bright red color (from the color of a Catholic cardinal’s cassock).
Cardinal (noun)
A number indicating quantity, or the size of a set, e.g., one, two, three. Wikipedia article on Cardinal number]].
Cardinal (noun)
A word used to represent a cardinal number; a cardinal numeral.
Cardinal (noun)
An official in the Catholic Church, ranking only below the Pope and the Wikipedia article on Catholic cardinals.)
Cardinal (noun)
Any of a genus of songbirds of the finch family, Cardinalis.
Cardinal (noun)
Any of various related Wikipedia article on cardinals) and other similar birds that were once considered to be related.
Cardinal (noun)
A shade of scarlet, the traditional colour of a Catholic cardinal’s cassock.
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Cardinal (noun)
A woman’s short cloak with a hood.
Cardinal (noun)
Mulled red wine.
Cardinal (noun)
A freshwater fish, the cardinal tetra (noshow=1).
Redbird (noun)
Any of several unrelated American songbirds having red plumage, especially the tanager or cardinal. from 17th c.
Redbird (noun)
A capsule of secobarbital. from 20th c.
Redbird (noun)
Any of various red cars formerly used in the New York City subway system; or a train of such cars.