One of the officials appointed by the pope in the Roman Catholic Church, ranking only below the pope and the patriarchs, constituting the special college which elects the pope. (See Wikipedia article on Catholic cardinals.)
User Defined Definitions
"the number of elements in a mathematical set; denotes a quantity but not the order"
"a variable color averaging a vivid red"
"crested thick-billed North American finch having bright red plumage in the male"
"serving as an essential component"
"being or denoting a numerical quantity but not order"