noun. A female who has done something before, perhaps something lost in the swirling mists of time, a certain something that can hardly be imagined by man or beast or apparition.
Real citation: “April's ish of Seventeen is the first produced under new E in C Ann Shoket’s regime. Is she working hard to differentiate herself from her predecessoress, the voluptuous, tribe-gathering, sparkling magical rainbow that is Atoosa Rubenstein?”
(March 12, 2007, Gawker, http://gawker.com/news/seventeen/imaginary-toos-weighs-in-on-slim-new-seventeen-243498.php)
Made-up citation: “Cave-ologists have stopped using the terms 'cavewoman' and 'cavemanette' in favor of the more egalitarian 'predecessoress.'”