We have no meanings for "single footfall" in our records yet.
1 Looking up he saw the Pleiades, and the single footfall became many.
2 But then he heard just a single footfall ... and cowered down, crying out.
3 But Nest could not hear the demon himself move, could not pick up a single footfall .
4 A single footfall attracted the attention of a listener more than the previous shuffle of a thousand feet.
5 I heard not a single footfall .
6 I was going back into the living-room to light the fire when I thought I heard a single footfall upstairs.
7 The halls of the silent Capitol building were deserted- asinglefootfall echoed with hollow sound.
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