Third-person singular simple present indicative form of third.
Wiktionary
Thirds Sentence Examples
I went there and found two thirds of the men and horses knocked out, two guns smashed, and no supports at all.
With the fold at the bottom of the paper, fold the paper in thirds around the middle mark.
Before you make sharp folds, gently roll the paper into thirds.
Make mashed potatoes and divide them into thirds.
A ruler and pencil are helpful for beginners, since it's sometimes hard to estimate where the middle of the paper is or how to accurately fold a sheet into thirds.
