1. Rhinelandic - Adjective
2. Rhinelandic - Proper noun
Rhinelandic (comparative more Rhinelandic, superlative most Rhinelandic)
Of or pertaining to the Rhineland.
Any (or a group) of several language varieties found in a region on both sides of the Middle and Lower Rhine river in central western Germany, Belgium, the Netherlands, and Luxembourg.
The colloquial form of Standard German spoken in the Rhineland.
Source: en.wiktionary.org