The word “cardinal” has several meanings in English:
1. **Mathematics**: Referring to a number that denotes quantity but not order (e.g., one, two, three). Cardinal numbers are used for counting.
2. **Ecclesiastical**: In the context of the Roman Catholic Church, a cardinal is a high-ranking official, usually a senior church leader, who is appointed by the Pope and is eligible to participate in the election of a new pope.
3. **Adjective**: Describing something that is of primary importance or fundamental significance. For example, one might refer to “cardinal rules” or “cardinal virtues.”
4. **Zoology**: Referring to a family of songbirds, particularly in North America, such as the northern cardinal.
The specific meaning of “cardinal” often depends on the context in which it is used.
