tumulum
tumulum is a Latin form of tumulus, meaning “mound, hill; tomb, grave”. It is the accusative singular masculine noun.
Found 123 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 1.46.1: Dum haec in conloquio geruntur, Caesari nuntiatum est equites Ariovisti propius tumulum accedere et ad nostros adequitare, lapides telaque in nostros coicere.
All forms of tumulus (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.