Fifth (?), a. [OE. fifte, fifthe, AS. fīfta. See Five.] 1. Next in order after the fourth; -- the ordinal of five.
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2. Consisting of one of five equal divisions of a thing.
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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.
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