cardinal

definition: serving as an essential component
example: a cardinal rule
speech part: adjective
synonyms: central
definition: being or denoting a numerical quantity but not order
example: cardinal numbers
speech part: adjective
synonyms:
definition: crested thick-billed North American finch having bright red plumage in the male
example:
speech part: noun
synonyms: cardinal grosbeak
definition: a variable color averaging a vivid red
example:
speech part: noun
synonyms: carmine
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
example:
speech part: noun
synonyms:
definition: the number of elements in a mathematical set
example:
speech part: noun
synonyms: cardinal number

cardinal is explained and pronounced

How cardinal is being used?