n. 红衣主教;枢机主教;鲜红色;【鸟类】(北美)主红雀
adj. 主要的,基本的;深红色的
Of þe uour uirtues cardinales spekeþ moche þe yealde philosofes. ["Ayenbite of Inwyt," c. 1340]By analogy of this, and cardinal points, cardinal winds, cardinal signs (four zodiacal signs marking the equinoxes and the solstices), the adjective in Middle English acquired an association with the number four.