In early use: †having a rounded or curved form (obsolete). Later: having an upward slope or lie; elevated above the surrounding or adjacent…

Having the form of something distended; protuberant, bulging; rising evenly and smoothly above the general surface, as a hill or piece of ground.

= tumular, adj.

Geology. Having several smoothly rounded convex surfaces; botryoidal.

Pertaining to or consisting of a mound or tumulus.

Forming a tumulus; tumular.