[siks-tee-siks] 
| 1. | a cardinal number, 60 plus 6. |
| 2. | a symbol for this number, as 66 or LXVI. |
| 3. | a set of this many persons or things. |
| 4. | a card game that is played by two players with a 24-card pack made by removing all cards below the nines from a regular 52-card pack, the object being to score 66 points before one's opponent. |
| 5. | amounting to 66 in number. |
tiˈsɪks