Supplies intrinsic muscles of the tongue and other tongue muscles WordNet 3.0 & Open English WordNet

The hypoglossal nerve, also known as the twelfth cranial nerve, cranial nerve XII, or simply CN XII, is a cranial nerve that innervates all the extrinsic and intrinsic muscles of the tongue except for the palatoglossus, which is innervated by the vagus nerve. Wikipedia

12th cranial nerve Wikidata

Any of the nerves under the tongue. Wiktionary

The 12th cranial nerve. Wiktionary