Dashboard (dăshˈbōrdˌ), n.
1. A board placed on the fore part of a carriage, sleigh, or other vehicle, to intercept water, mud, or snow, thrown up by the heels of the horses; -- in England commonly called splashboard.
[1913 Webster]
2. (Naut.) (a) The float of a paddle wheel. (b) A screen at the bow of a steam launch to keep off the spray; -- called also sprayboard.
[1913 Webster]
3. an instrument panel beneath the front window of a motor vehicle (such as an automobile or truck), containing indicating gauges and dials, such as the speedometer and fuel gauges, and sometimes certain control knobs or other devices.
[PJC]