Usually ground rules. basic or governing principles of conduct in any situation or field of endeavor: the ground rules of press conferences.
Sports. any of certain rules specially adopted, as in baseball and softball, for dealing with situations or circumstances arising chiefly from the particular nature of the playing area or the interference of spectators.
Rule 34Read more in this article about some frequently asked questions and fun facts related to our definitions.
Rule 63Read more in this article about some frequently asked questions and fun facts related to our definitions.
- ground provisions,
- ground rent,
- ground robin,
- ground rod,
- ground row,
- ground rule double,
- ground rules,
- ground run,
- ground shark,
- ground sloth
Origin of ground rule
An Americanism dating back to 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for ground rule
On that basis, I'd call the Post piece at least a ground-rule double.
a procedural rule or principle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012