thirty

noun

The cardinal number equal to 3 × 10.

noun

A decade or the numbers from 30 to 39.

noun

The decade from 30 to 39 in a century.

noun

An indication of the end of a news story, usually written 30.

noun

The second point that is scored by one side in tennis.

noun

In printing and telegraphy, the last sheet, word, or line of copy or of a despatch.

Being thrice ten, three times ten, or twenty and ten.

noun

The number which consists of three times ten.

noun

A symbol representing thirty units, as 30, XXX, or xxx.