2. Consisting of one of five equal divisions of a thing. Fifth monarchy men (Hist.), a fanatical sect in England, of the time of the commonwealth, who maintained that there would be a fifth universal monarchy, during which Christ would reign on earth a thousand years. — Fifth wheel, a horizontal wheel or segment above the fore axle of a carriage and beneath the body, forming an extended support to prevent careening.

FIFTH
Fifth, n.

1. The quotient of a unit divided by five; one of five equal parts; a fifth part.

2. (Mus.)

Defn: The interval of three tones and a semitone, embracing five diatonic degrees of the scale; the dominant of any key.

FIFTHLY
Fifth"ly, adv.

Defn: In the fifth place; as the fifth in order.

FIFTIETH
Fif"ti*eth, a. Etym: [AS. fiftigo. See Fifty.]

1. Next in order after the forty-ninth; — the ordinal of fifty.

2. Consisting of one of fifty equal parts or divisions.