Main entry: Richmondena Cardinalis, redbird, cardinal, cardinal grosbeak, Cardinalis cardinalis
Definition: crested thick-billed North American finch having bright red plumage in the male
Definition: a variable color averaging a vivid red
Main entry: cardinal
Definition: (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
Main entry: cardinal, cardinal number
Definition: the number of elements in a mathematical set; denotes a quantity but not the order
Main entry: cardinal, central, key, primal, fundamental
Definition: serving as an essential component
Usage: a cardinal rule; the central cause of the problem; an example that was fundamental to the argument; computers are fundamental to modern industrial structure
Main entry: cardinal
Definition: being or denoting a numerical quantity but not order
Usage: cardinal numbers