Cardinal
WordNet
adjective
(1) 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"
(2) Being or denoting a numerical quantity but not order
"Cardinal numbers"
noun
(3) Crested thick-billed North American finch having bright red plumage in the male
(4) A variable color averaging a vivid red
(5) (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
(6) The number of elements in a mathematical set; denotes a quantity but not the order
WiktionaryText
Proper noun
Cardinal
- A player on the team "The St. Louis Cardinals".
- Smith became a Cardinal as the result of a pre-season trade.
- A player on the team "Arizona Cardinals".
- A sports team or a player on a sports team at Stanford University.
- A student or player on a sports team at the University of Louisville.