| Noun | 1. | third - one of three equal parts of a divisible whole; "it contains approximately a third of the minimum daily requirement" | |
| 2. | third - the fielding position of the player on a baseball team who is stationed near 3rd base; "he is playing third"position - (in team sports) the role assigned to an individual player; "what position does he play?" | |
| 3. | third - following the second position in an ordering or series; "a distant third"; "he answered the first question willingly, the second reluctantly, and the third with resentment"rank - relative status; "his salary was determined by his rank and seniority" | |
| 4. | third - the musical interval between one note and another three notes away from it; "a simple harmony written in major thirds" | |
| 5. | third - the third from the lowest forward ratio gear in the gear box of a motor vehicle; "you shouldn't try to start in third gear"gear mechanism, gear - a mechanism for transmitting motion by gears for some specific purpose (as the steering gear of a vehicle) | |
| 6. | third - the base that must be touched third by a base runner in baseball; "he was cut down on a close play at third"bag, base - place that runner must touch before scoring; "he scrambled to get back to the bag" | |
| Adj. | 1. | third - coming next after the second and just before the fourth in positionordinal - being or denoting a numerical order in a series; "ordinal numbers"; "held an ordinal rank of seventh" | |
| 2. | third - being one of three equal parts; "a third share of the money"fractional - constituting or comprising a part or fraction of a possible whole or entirety; "a fractional share of the vote"; "a partial dose" | |
| Adv. | 1. | third - in the third place; "third we must consider unemployment" | |