形容词

1. (天主教的)红衣主教,枢机主教
A cardinal is a high-ranking priest in the Catholic church.

2. 最重要的;最主要的;基本的
A cardinal rule or quality is the one that is considered to be the most important.

3. 主红雀
A cardinal is a common North American bird. The male has bright red feathers.

1. crested thick-billed North American finch having bright red plumage in the male

Synonym: cardinal grosbeakRichmondena CardinalisCardinalis cardinalisredbird

2. a variable color averaging a vivid red

Synonym: carmine

3. (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

4. the number of elements in a mathematical set
denotes a quantity but not the order

Synonym: cardinal number