backfit: Meaning and Definition of

back•fit

Pronunciation: (bak'fit"), [key]
— -fit -fit•ted, -fit•ting.
  1. to update by providing new or improved equipment or features: a five-year program of installing new power plants and backfitting existing ones.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.