definition of
footstep

[1] #1 footstep n. [footfall, step] the sound of a step of someone walking; "he heard footsteps on the porch". wn

[2] #2 footstep n. the act of taking a step in walking. wn

[3] #3 footstep n. [pace, step, stride] the distance covered by a step; "he stepped off ten paces from the old tree and began to dig". wn