crested thick-billed North American finch having bright red plumage in the male
a variable color averaging a vivid red
(Roman Catholic Church) one of a group of more than 100 prominent bishops in the Sacred College who advise the Pope and elect new Popes
serving as an essential component; "a cardinal rule"; "the central cause of the problem"; "an example that was fundamental to the argument"; "computers are fundamental to modern industrial structure"
being or denoting a numerical quantity but not order; "cardinal numbers"
a base hit on which the batter stops safely at first base
existing alone or consisting of one entity or part or aspect or individual; "upon the hill stood a single tower"; "had but a single thought which was to escape"; "a single survivor"; "a single serving"; "a single lens"; "a single thickness"
used of flowers having usually only one row or whorl of petals; "single chrysanthemums resemble daisies and may have more than one row of petals"
the extended spatial location of something; "the farming regions of France"; "religions in all parts of the world"; "regions of outer space"
a large indefinite location on the surface of the Earth; "penguins inhabit the polar regions"
the approximate amount of something (usually used prepositionally as in `in the region of'); "it was going to take in the region of two or three months to finish the job"; "the price is in the neighborhood of $100"