Justices in Eyre. A corruption of “Justices in itinere.” At first they made the circuit of the kingdom every seven years, but Magna Charta provided that it should be done annually.
(Jane). The heroine of Charlotte Bronte's novel so called. Jane Eyre is a governess, who stoutly copes with adverse circumstances, and ultimately wins the love of a man of fortune. (`Eyre' pronounce air.)
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894