tribunorum
tribunorum is a Latin form of tribunus, meaning “tribune”. It is the genitive plural masculine noun.
Found 130 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Civili 1.1: LITTERIS Caesaris consulibus redditis aegre ab his impetratum est summa tribunorum plebis contentione, ut in senatu recitarentur; ut vero ex litteris ad senatum referretur, impetrari non potui …
All forms of tribunus (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.