speeder
n.— «A railcar ride is not like a trip on any comfy old commuter train. That is actually one reason the railroads once used railcars, which are also called speeders, jiggers or putt-putts.» —“Putt-Putting Along the Rails” by Dave Caldwell New York Times Aug. 8, 2008. (source: Double-Tongued Dictionary)
Further reading
Centuries ago, monks who took a vow of silence developed their own hand signs, with hundreds of gestures, that are still in use today. Plus, how do speakers of different languages distinguish similar shades and tints of colors such as red, yellow...
The word filibuster has a long and colorful history, going back to the days when pirates roamed the high seas. Today it refers to hijacking a piece of legislation. Plus, the language of yoga teachers: When doing a guided meditation, you may hear...