In medical jurisprudence. Loss of the power of articulate speech in consequence of morbid conditions of some of the vocal organs. It may be incomplete, in which case the patient can whisper. It is to be distinguished from congenital dumbness, and from temporary loss of voice through extreme hoarseness or minor affections of the vocal cords, as also from aphasia, the latter being a disease of the brain without impairment of the organs of speech. Apices juris non sunt jura, [jus.] Extremities, or mere subtleties of law, are not rules of law, [are not law.] Co. Litt 304&; 10 Coke, 126; Wing. Max. 19, max. 14; Broom, Max. 188.
APHONIA
TheLaw.com Law Dictionary & Black's Law Dictionary 2nd Ed.