| Basic: |
| A promontory is a type of ground, natural thing, top and bottom sided object, protrusion, and natural elevation. |
| Documentation: |
| Comment: A specialization of LandTopographicalFeature and Protrusion . Each instance of #$Promontory is a protrusion of LandStuff that is elevated above and juts out into a BodyOfWater or Flat-Topographical . A notable specialization is Peninsula. |
| Miscellaneous: |
| Types of promontory include lunar promontoria, headlands, and peninsulas. |
| No promontory is a landmass. |