What is the meaning of Third?

The ordinal form of the cardinal number three; Coming after the second.

The person or thing in the third position.

One of three equal parts of a whole.

The third gear of a gearbox.

An interval consisting of the first and third notes in a scale.

third base

A handicap of one stroke every third hole.

A third-class degree, awarded to the lowest achievers in an honours degree programme

One sixtieth of a second, i.e., the third in a series of fractional parts in a sexagesimal number system. Also formerly known as a tierce.

To agree with a proposition or statement after it has already been seconded.

To divide into three equal parts.

Source: wiktionary.org