1. a small mountain or hill
Usage: formal or technical; less common than 'hillock' or 'knoll'
2. a small conical or rounded elevation on a surface, especially in geology or biology
Usage: technical; used in scientific contexts

Examples

• The hikers climbed the monticule to get a better view of the valley below.
• From the airplane, we could see several small monticules dotting the landscape.
• The geologist identified a monticule of volcanic rock in the survey area.
• A monticule rose gently from the otherwise flat terrain.
• The monticule was covered with wildflowers in spring.