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 (?), n. 1. The quotient of a unit divided by five; one of five

equal parts; a fifth part.

2. (Mus.) The interval of three tones and a semitone, embracing five

diatonic degrees of the scale; the dominant of any key.

Fifth"ly, adv. In the fifth place; as the fifth in order.

Fif"ti*eth (?), a. [AS. fftigoa. See Fifty.] 1. Next in order after

the forty-ninth; -- the ordinal of fifty.