seniores
seniores is a Latin form of senex, meaning “old man; old”. It is the nominative plural masculine noun or accusative plural masculine noun.
Found 38 times in the Latin texts on Socratos.
Where it is used
Cicero, De Republica 2.39: … imo. Deinde equitum magno numero ex omni populi summa separato relicuum populum distribuit in quinque classis senioresque a iunioribus divisit easque ita disparavit, ut suffragia non in multitudinis, sed in locupletium potestate …
All forms of senex (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.