·noun The sixtieth part of a second of time.
II. Third ·noun The third tone of the scale; the mediant.
III. Third ·noun The quotient of a unit divided by three; one of three equal parts into which anything is divided.
IV. Third ·adj Next after the second; coming after two others;
— the ordinal of three; as, the third hour in the day.
V. Third ·adj Constituting or being one of three equal parts into which anything is divided; as, the third part of a day.
VI. Third ·noun The third part of the estate of a deceased husband, which, by some local laws, the widow is entitled to enjoy during her life.