Marcher/ˈmɑːrtʃər/ Definition 1 of 3Pro Tip 1/3Group Movement Marchers often move in organized groups, like in demonstrations or parades. Thousands of marchers gathered for the climate strike. Pro Tip 2/3Uniform Pace Marchers walk at the same pace, keeping the rhythm together. The soldiers were praised for being disciplined marchers. Pro Tip 3/3Public Event The word 'marcher' implies participation in public events rather than casual walking. She joined the other marchers on the streets to celebrate.