Tumulus
/ˈtuːmjələs/
Definition 1 of 1
Pro Tip 1/3Historical Significance
The word 'tumulus' often relates to historical and archaeological contexts, especially concerning ancient graves. 
Our history project involved studying the tumulus located near the old village.
Pro Tip 2/3Cultural Relevance
Different cultures may have their own styles of tumuli; understanding this can enrich your reference to them. 
The Celtic tumulus differed from the Roman ones we saw earlier.
Pro Tip 3/3Ancient Connotation
Using 'tumulus', rather than 'mound,' specifically implies a man-made structure over a grave from the past. 
Legend says a warrior lies beneath this tumulus.