THIRD: • (a.) Next after the second; coming after two others; -- the
ordinal of three; as, the third hour in the day. • (a.) Constituting or being one of three equal parts into which
anything is divided; as, the third part of a day. • (n.) The quotient of a unit divided by three; one of three equal
parts into which anything is divided. • (n.) The sixtieth part of a second of time. • (n.) The third tone of the scale; the mediant. • (n.) The third part of the estate of a deceased husband, which,
by some local laws, the widow is entitled to enjoy during her life.