plural of man in motion

(American football) A single player on offense (always a backfielder) who is moving backwards or parallel to the line of scrimmage at the snap.

A graphic artist who creates animated sequences.

plural of motion designer

(slang) motor fuel

(US, law) A motion to dismiss a case in the interest of justice.

To film using motion capture.

plural of quantity of motion

(archaic, physics) momentum

akinetopsia