Freebase(0.00 / 0 votes)Rate this definition: Mercy rule. A mercy rule, also well known by the slightly less polite term slaughter rule, brings a sports event to an early end when one team has a very large and presumably insurmountable lead over the other team.
Sequim, WA. Sponsored Topics. Sequim (i/skwÉªm/) is a city in Clallam County, Washington, United States. The 2010 US Census counted a population of 6,606 residing within the city limits. Approximately 20,000 additional residents live in the Dungeness Valley immediately surrounding the city.
Useful links. 1  County data tables. 2  Wahkiakum County on ofm.wa.gov. 3  Wahkiakum County on ChooseWashington.com. 4  Wahkiakum County History. 5  Wahkiakum County home page. 6  Port of Wahkiakum County No. 2. 7  Wahkiakum County Chamber of Commerce. 8  Southwest Washington Economic Development Commission (SWEDC) 9  Wahkiakum CountyWorkSource.