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.
Definition of controller for English Language Learners. : 1  a person who is in charge of the money received and paid out by a business or college. : 2  a person who directs the action of something. : 3  a device or piece of equipment used to operate a machine, vehicle, or system.