Definitions of thirty

1. A symbol expressing thirty, as 30, or XXX.

2. The sum of three tens; a sign for thirty units, as 30 or xxx.

3. The number of thrice ten.

4. The sum of three times ten.

5. Ten more than twenty.

6. Three times ten.

7. Thirtieth.

8. Thrice ten.

9. Three times ten; one more than twenty- nine.