Trotter

Noun

1. One who trots.
2. In harness racing, a horse with a gait in which the front and back legs on opposite sides take a step together alternating with the other set of opposite legs; as opposed to a pacer.
3. The foot of a pig, sheep, or other quadruped, especially when prepared as meat.

   "grange cookbook recipes for trotters"

4. A person's foot.
5. A tailor's assistant who goes around to receive orders.