1. to reduce the differences or distance between two things
Professional
Social
bridge the gap between the rich and poor
When you 'bridge the gap' between one thing and another, you aim to reduce the disparity, amount or distance between the two things. You might bridge a gap in knowledge, a relationship or in wealth or other measurable things. This a useful expression when discussing social issues or relating numbers to each other. It is most often used in professional or formal situations.