3. (Mus.)

Defn: The interval embracing six diatonic degrees of the scale.

SIXTHLY
Sixth"ly, adv.

Defn: In the sixth place. Bacon.

SIXTIETH
Six"ti*eth, a. Etym: [As. sixtiogoedha, sixtigoedha.]

1. Next in order after the fifty-ninth.

2. Constituting or being one one of sixty equal parts into which anything is divided.

SIXTIETH
Six"ti*eth, n.

1. The quotient of a unit divided by sixty; one of sixty equal parts forming a whole.

2. The next in order after the fifty-ninth; the tenth after the fiftieth.