Definitions for "Barrel distortion"
A DISTORTION that causes the lines near the edges of the image bowing-out.
n. Distortion which makes straight lines parallel and close to the edge of the frame appear "inflated", or bend out in the center. A rectangle that fills the frame looks barrel shaped. See also: pin-cushion distortion _______________________________________________________
A video distortion in which horizontal and/or vertical lines bend outwards toward the edge of the display.