third Definition

1a. In counting: next after second;
1b. In counting: last of three.
2. In third position.
3a. The third day of the month;

Form: the third
3b. golf.
The third hole.
Form: the third
4. In a motor vehicle, etc: referring to the third gear.

1. One of three equal parts. Also as adj.

Example: a third share
2. A fraction equal to one divided by three. (usually written &onethird; ).
3. The gear which is one faster than second in a gearbox, eg in a motor vehicle.

Form: third gear (also)
4. Someone who comes third, eg in a race or exam.

Example: He finished a triumphant third
5. A third-class university degree.
6a. music.
An interval of three notes (counting inclusively) along the diatonic scale;
6b. music.
A note at that interval from another.

1. Used to introduce the third point in a list.

Form: thirdly (also)