Third n.
1. The quotient of a unit divided by three; one of three equal parts into which anything is divided.
2. The sixtieth part of a second of time.
3. Mus. The third tone of the scale; the mediant.
4. pl. Law The third part of the estate of a deceased husband, which, by some local laws, the widow is entitled to enjoy during her life.
Major third Mus., an interval of two tones.
Minor third Mus., an interval of a tone and a half.
◄ ►