Definitions For Cardinal

noun

• 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
• The number of elements in a mathematical set; denotes a quantity but not the order
• A priest of the Roman Catholic Church who ranks immediately below the Pope
• A common North American bird

adjective

• Serving as an essential component

adjective

• Being or denoting a numerical quantity but not order