The term 'roadie's load' refers to the equipment that a roadie, or a person who works in the music industry to set up and maintain equipment for live performances, must carry. The two crossword solutions for this term are AMPS (4 letters) and AMP (3 letters). An AMP is an abbreviation for an amplifier, which is an electronic device used to increase the volume of sound. An AMPS is an abbreviation for amplifiers, which is the plural form of the same device.