virginum
virginum is a Latin form of virgo, meaning “maiden, girl”. It is the genitive plural feminine noun.
Found 56 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Civili 2.4: … tuti; has sagittariis tormentisque compleverunt. Tali modo instructa classe omnium seniorum, matrum familiae, virginum precibus et fletu excitati, extremo tempore civitati subveniret, non minore animo ac fiducia, quam ante dimic …
Suetonius, Divus Augustus 31.3: sacerdotum et numerum et dignitatem sed et commoda auxit, praecipue Vesta lium uirginum. cumque in demortuae locum aliam capi oporteret ambirentque multi ne filias in sortem darent, adiurauit, si cuiusquam neptium suarum competeret aetas, oblaturum se fuisse eam.
All forms of virgo (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.