| Cardinal | |
| 1. n. (baseball) A player on the St. Louis Cardinals team. | |
| Smith became a Cardinal as the result of a pre-season trade. | |
| 2. n. (American football) A player on the Arizona Cardinals team. | |
| 3. n. A player on a sports team at Stanford University. | |
| 4. n. A student or player on a sports team at the University of Louisville. | |
| 5. adj. Of fundamental importance; crucial, pivotal. | |
| a cardinal rule | |
| 6. adj. (nautical) Of or relating to the cardinal directions (north, south, east and west). | |
| a cardinal mark | |
| 7. adj. Describing a "natural" number used to indicate quantity (e.g., one, two, three), as opposed to an ordinal number indicating relative position. | |
| 8. adj. Having a bright red color (from the color of a Catholic cardinal's cassock). | |
| 9. n. A number indicating quantity, or the size of a set, e.g., one, two, three. (See Wikipedia article on Cardinal number.) | |
| 10. n. (grammar) A word used to represent a cardinal number; a cardinal numeral. | |
| 11. n. An official in the Catholic Church, ranking only below the Pope and the patriarchs. (See Wikipedia article on Catholic cardinals.) | |
| 12. n. Any of a genus of songbirds of the finch family, Cardinalis. | |
| 13. n. Any of various related passerine birds of the family Cardinalidae (See Wikipedia article on cardinals) and other similar birds that were once considered to be related. | |
| 14. n. A shade of scarlet, the traditional colour of a Catholic cardinal's cassock. | |
| (color panel, C41E3A) | |
| 15. n. (historical) A woman's short cloak with a hood. | |
| 16. n. (obsolete) Mulled red wine. | |
| 17. n. A freshwater fish, the cardinal tetra. | |
