Tramp: One of a set of gradations of the act of setting a toe down firmly on the soil, that includes the mincing tramps of trit and trot, the light brush of a tread, the click of a tap, the catch of a trip, and the snap of a trap, which is the negative of a step and, like anti-matter to matter, catches it and makes it permanent.

The Reverse Cone of a Ant Lion Trap, Waiting for An Ant to Trip By