The term 'Pound Foot' is a unit of torque, which is a measure of the amount of force that can cause an object to rotate about an axis. The crossword solutions for this term are PAW (3 letters) and IAMB (4 letters). PAW stands for Pound-force per Angular Width, which is a unit of torque equal to one pound-force times one radian. IAMB stands for Pound-force per Inch per Angular Momentum, which is a unit of torque equal to one pound-force times one inch times one radian.