Pedi means feet and hundreds of years ago, the word impediment referred to shackling one's feet. Now its use has broadened considerably. Impediment is something that blocks or impedes your path.
Freebase(0.00 / 0 votes)Rate this definition: Commissary. A commissary is someone delegated by a superior to execute a duty or an office; in a formal, legal context, one who has received power from a legitimate superior authority to pass judgment in a certain cause or to take information concerning it.
A commissary is a government official charged with oversight or an ecclesiastical official who exercises in special circumstances the jurisdiction of a bishop. In many countries, the term is used as a police title. It often corresponds to the command of a police station, which is then known as a commissariat.