Medietas Linguae
Defined in 3 dictionaries — Cyclopedic (1922), Ballentine's (1916), Stimson (1881)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
In old practice. Moiety of tongue; half -tongue. Applied to a jury, impaneled in a cause, consisting the one-half of natives, and the other half of foreigners.
Ballentine's Law Dictionary
James A. Ballentine · 1916
Glossary of Technical Terms, Phrases, and Maxims of the Common Law
Frederic Jesup Stimson · 1881
/. Half-tongue, v. Bilinffuis.