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.
commissary. Use commissary in a sentence. LINK / CITE ADD TO WORD LIST. noun. The definition of a commissary is a restaurant on a movie set, or a grocery store in a prison on a military base. An example of a commissary is the place where prisoners can buy cans of soda.