open (up) daylight v. phr. especially in horse racing, to out-distance a competitor. (source: Double-Tongued Dictionary)
Further reading
The Oldsmobile car was introduced in 1897, and shortly thereafter people began using the term oatsmobile or hay-burning oatsmobile to mean “horse.” OATS is also an acronym for Older Adult Transportation System. This is part of a complete...
The new Downton Abbey movie is a luscious treat for fans of the public-television period piece, but how accurate is the script when it comes to the vocabulary of the early 20th century? It may be jarring to hear the word swag, but it was already at...