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.
Top definition. commissary. In the context of incarceration, a store for provisions available to inmates on occasion. I heard that nigga from cell block D copped nuff cig's from commissary. #jail#locked up#akon#blacks#chained down#cell block d#big bubba beatdowns#soap on a rope#don't drop the soap. by Peddy November 23, 2006.