Alemannic

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A group of High German dialects spoken in Alsace, Switzerland, and parts of southern Germany.
• noun The Germanic dialect of the Alemanni.
• adjective Of or relating to the Alemannic dialects of High German.
• adjective Of or relating to the Alemanni or their language.

from The Century Dictionary.

• Belonging to the Alemanni, confederated German tribes who began to appear between the Main and the Danube about the beginning of the third century, and occupied that region completely.
• noun The language of the Alemanni, or ancient people of southwestern Germany. Also spelled Allemannic.

from the GNU version of the Collaborative International Dictionary of English.

• noun The language of the Alemanni.
• adjective Belonging to the Alemanni, a confederacy of warlike German tribes.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• proper noun The language, closely related to German, spoken in certain parts of South Germany, Switzerland, Austria and France.
• adjective Of or relating to the Alemannic language.