·noun The next in order after the fifth.
II. Sixth ·adj First after the fifth; next in order after the fifth.
III. Sixth ·noun The interval embracing six diatonic degrees of the scale.
IV. Sixth ·adj Constituting or being one of six equal parts into which anything is divided.
V. Sixth ·noun The quotient of a unit divided by six; one of six equal parts which form a whole.