matres
matres is a Latin form of mater, meaning “mother”. It is the nominative plural feminine noun or accusative plural feminine noun.
Found 188 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.50.3: … m ob rem Ariovistus proelio non decertaret, hanc reperiebat causam, quod apud Germanos ea consuetudo esset ut matres familiae eorum sortibus et vaticinationibus declararent utrum proelium committi ex usu esset necne; eas ita d …
Plautus, Truculentus 2.5.449_450: matrés sollicitaeque éx animo sumus crúciamurque!
All forms of mater (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.