Noun. 1. vas deferens-a duct that carries spermatozoa from the epididymis to the ejaculatory duct. ductus deferens.
Judge Advocate General of the Navy. The Judge Advocate General of the Navy (JAG) is the highest-ranking uniformed lawyer in the United States Department of the Navy. The Judge Advocate General is the principal advisor to the Secretary of the Navy and the Chief of Naval Operations on legal matters pertaining to the Navy.
JAG, or JAG Corps, is the branch of the military that deals with military justice and law, so if youâre interested in the legal system, you may want to look into starting a military career. JAG, or the Judge Advocate Generalâs Corps, is the largest and oldest law firm in the United States. Founded by George Washington in 1775, JAG was abolished in 1802, but made a comeback nearly fifty years later and has been around ever since. After creating the first JAG school in 1942 and growing tremendously in size, the JAG corps has become an essential part of the military.