The side of play opposite of where the play is. Also known as weak side
The side of the ball opposite of the defender.
The side opposite the side the player is looking towards.
if play is going on at one end of the field, the shorter side of the touch-line is called the blind side.
The side nearest to the touch line.
the side of the backfield on which the quarterback is not facing; the side opposite from his throwing arm.
Right side of truck and trailer.
The side of the field facing the quarterback's back side when he is dropping back to pass or standing in the backfield looking to pass. For a right handed quarterback, this is his left side or the defense's right side. Teams put their better offensive linemen on the blind side.
Blind Side is an HBO thriller movie for television filmed in 1993, starring Rutger Hauer, Rebecca De Mornay, and Ron Silver, and directed by Geoff Murphy.