What is another word for Proruption?

Pronunciation: [pɹɔːɹˈʌpʃən] (IPA)

Proruption is a term primarily used in the field of geography to describe an elongated extension of a particular territory into a separate geographic area. While the word "proruption" may not be as commonly used as other geographically specific terms, there are several synonyms that can be used to describe a similar concept. These include "panhandle," "promontory," "peninsula," and "spur." Each of these terms refers to a geographic extension that protrudes or juts out from a larger landmass. While each word may have slightly different connotations, they all describe the same general concept of a geographic extension.