Recent Examples on the WebNearby, the researchers found a 197- by 26-foot tumulus, or burial mound, and an extravagant array of Greek funerary goods likely left by merchants and mercenaries living in the area. Isis Davis-marks, Smithsonian Magazine, 4 Aug. 2021 Another surprising discovery is a giant tumulus near the town of Amphipolis in northern Greece.National Geographic, 8 Apr. 2019 The pressure may have pushed that tumulus to sea level. Megan Friedman, Popular Mechanics, 16 July 2018 The running theory is that the island was a submarine tumulus created when the pressure of slow-moving lava lifts the crust above it. Megan Friedman, Popular Mechanics, 16 July 2018 Resembling an ancient burial mound known as a tumulus, Maropeng's entrance blends artfully with the grassland surroundings.Smithsonian, 27 Mar. 2017
Word History
Etymology
Middle English, from Latin; akin to Latin tumēre to swell — more at thumb entry 1