ground swell

ground swell (plural ground swells)

1. Alternative form of groundswell
   • 1999 September 26, “Blair: doing well, could do better”, in The Guardian‎:

     This is reflected in the ground swell of unease and criticism reported by our opinion poll evidence this morning, and in recent election results, such as those last week in Hamilton and Wigan.

   • 2005, Matt Warshaw, The Encyclopedia of Surfing, page 239:

     Beachbreaks excepted, ground swells generally produce high-quality surf.

• wind swell