noun

cardinal

cardinal, cardinal number, fundamental

A bright red cardinal sat on the fence.

A bright red cardinal sat on the fence.

The Pope appointed a new cardinal.

The Pope appointed a new cardinal.

Respect is a cardinal rule in this house.

Respect is a cardinal rule in this house.

a/an ((cardinal)) a high-ranking cleric or a type of bird The Pope appointed a new cardinal.

a ((cardinal)) rule/point a fundamental rule or point Respect is a cardinal rule.

Synonyms: (adj) fundamental, chief, principal; Antonyms: (adj) secondary, minor

From Latin 'cardinalis' meaning 'principal, pivotal', from 'cardo' meaning 'hinge'. The colour is named after the red robes of the cardinals.

Connect the red robes of the church cardinal with the red feathers of the cardinal bird. Both are 'principal' or 'chief' figures.

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