Patris sequendo Filium, victis triumphas hostibus, victor victrix fruens cælestibus.    From Wordnik.com.  [October 23: St. James of Jerusalem, Brother of our Lord Jesus Christ, and Martyr] Reference

In his victrix he required all that was here visible — the imprint of high cultivation, the consecration of.    From Wordnik.com.  [Villette] Reference

For an acutely observed portrayal of a mind in turmoil Anna Kavan must take the victrix ludorum (I've tweaked the Victor bit because I know my Latin teacher of forty years ago is out there with her red pen).    From Wordnik.com.  [42 entries from November 2007] Reference

And Mrs. Hopkinson was victrix by her very audacity.    From Wordnik.com.  [The Story of a Mine] Reference

Blame the victrix if you think he should have been livelier.    From Wordnik.com.  [Beauchamp's Career — Complete] Reference

But Alice had fled, leaving Patricia the victrix of her bloodless battle-field.    From Wordnik.com.  [The Lever A Novel] Reference

It seemed a duel between herself and Mr. Tonans, and she sure of her triumph -- Diana victrix!.    From Wordnik.com.  [Diana of the Crossways — Complete] Reference

For the present I will try to inspire myself a little with the victrix, and to imagine that I could do the same thing.    From Wordnik.com.  [Correspondence of Wagner and Liszt]

Sufficient grace, as a weak delight, imparts merely the ability (posse), or such a feeble will that only the advent of the victorious delight of grace (delectatio coelestis victrix, caritas) can guarantee the will and the actual deed.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 6: Fathers of the Church-Gregory XI] Reference

They either were, or at least would be thought to be, a legion, formidable as an army with banners; and now, at least, to be, what the twentieth legion of the Roman army, which was long quartered at Chester, was styled, legio victrix -- a victorious legion.    From Wordnik.com.  [Commentary on the Whole Bible Volume V (Matthew to John)] Reference

Of that fatal and fateful dilemma when a wife or a husband falls victim to the wiles of another, there are, for the delinquent, two and only two horns (and it is a moot question upon which it is preferable to be impaled): Flight -- either from the victor or the victrix.    From Wordnik.com.  [Hints for Lovers] Reference

The famous lines, quis iustius induit arma scire nefas: magno se iudice quisque tuetur, victrix causa deis placuit, sed victa Catoni (i.    From Wordnik.com.  [Post-Augustan Poetry From Seneca to Juvenal] Reference

The answer can be found at greater length here, but I have an excerpt (quoted from the linked source): " Lucan wrote, in his Civil War epic, The Pharsalia, "victrix causa diis placuit, sed victa Catoni" ('The victorious cause pleased the gods but the defeated cause pleased Cato').    From Wordnik.com.  [Sed Victa Catoni] Reference

Atque eadem victrix, victaque Roma fuit.    From Wordnik.com.  [languagehat.com: THE RUINS OF ROME.] Reference

As victrix when abhorred.    From Wordnik.com.  [Complete Project Gutenberg Works of George Meredith] Reference

In the van was Sissy victrix.    From Wordnik.com.  [The Madigans] Reference

Tu meliora paras victrix Medicina; tuusque.    From Wordnik.com.  [Life of Johnson]

"Causa victrix placuit deis, sed victa Catoni.".    From Wordnik.com.  [Recollections and reflections : an auto of half a century and more,] Reference

Ni victrix tua Marte manus prius inclyta, nostris.    From Wordnik.com.  [The Journal of Negro History, Volume 2, 1917] Reference

A philosopher: magna quidem, sacris quae dat praecepta libellis, victrix fortunae sapientia, ducimus autem hos quoque felices, qui ferre incommoda vitae nec iactare iugum vita didicere magistra (xiii.    From Wordnik.com.  [Post-Augustan Poetry From Seneca to Juvenal] Reference

Quæ stabat ubique victrix.    From Wordnik.com.  [Poems] Reference

Hostium victrix, properante cursu.    From Wordnik.com.  [May 30 -- St Joan of Arc] Reference

Harmony, victrix, throned in state sublime.    From Wordnik.com.  [Deep-sea Soundings] Reference

Aurora, umbrarum victrix, neo victa recedas. ".    From Wordnik.com.  [Notes and Queries, Number 54, November 9, 1850 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc.] Reference

Moreover, female-specified terms have basically vanished: aviatrix and aviatress, conciliatrix and conciliatress, dictatrix and dictatress, prosecutrix, testatrix, tutrix, relatrix, heritrix or heritress, inheritrix and inheritress, victrix and victress.    From Wordnik.com.  [The Stupidest Arguments Against Marriage Equality] Reference