Reversed, with the back now at the front.

Alternative spelling of backwater

(nautical) To reverse the action of the oars, paddles, or propeller, so as to force the boat or ship backward.

Alternative form of backbite

(music) when bass strings are slapped rather plucked individually.

(aerial freestyle skiing) a faulty landing, whereby the skier rotates backwards around the knee-joint and hits the snow of the landing slope with their back and head, before rising off the snow back into position with their skis underneath them.

(transitive) To reverse (a vehicle) from a confined space. / (intransitive) To withdraw from something one has agreed to do. / (transitive) To dare (someone) to not withdraw from a challenge.

(American football) An offensive back whose primary job is to be the ballcarrier.

present participle of run back

(American football) A player for the team in possession of the ball who lines up behind the line of scrimmage at the start of a play.