pacer

Meanings

1. One who paces.
2. In harness racing, a horse with a gait in which the front and back legs on one side take a step together alternating with the legs on the other side; as opposed to a trotter.
3. A horse whose natural gait is a pace (where the legs of the same side are lifted together).
4. A pacemaker (one who sets the pace in a race).
5. A timer in an electric toothbrush that indicates how long the user should spend brushing in each part of the mouth.

1. A mechanical pencil.

1. A British lightweight railbus diesel multiple unit of class 140, 141, 142, 143 or 144.

1. Acronym of Public Access to Court Electronic Records, an electronic public access service for United States federal-court documents.

Etymology

From pace + -er.