monticle
/ˈmɒntɪk(ə)l
/noun rare
A small mountain or hill.He stood on the top of a steep monticle, used by pilots as a look-out for vessels approaching the coast....
- The monticle stands not far from the western extremity of the valley.
- The old castle and fortress of Guevara is perched on the crown of what Captain Dalgetty would call a monticle, rising very abruptly out of the most arid and dry plain it was ever my fortune to visit.
Origin
Late 15th century: French, from late Latin monticulus, diminutive of Latin mons, mont- 'mountain'.