Single-foot /(?)/

Sin·gle-foot

Single-foot

n.
  1. An irregular gait of a horse; -- called also single-footed pace. See Single, v. i.
    Single-foot is an irregular pace, rather rare, distinguished by the posterior extremities moving in the order of a fast walk, and the anterior extremities in that of a slow trot.
    — Stillman (The Horse in Motion.)

Single-foot

v. i.
  1. To proceed by means of the single-foot, as a horse or other quadruped.