• (US) IPA^(key): /ˈnuːtɹəl ɡraʊnd/, [ˈnuːtɹɫ̩ ɡɹaʊ̯nd]

neutral ground (plural neutral grounds)

1. (Louisiana) The median strip or central reservation between lanes of traffic in a divided highway.
   • 2005, Chris Rose, 1 Dead in Attic, Simon & Schuster, published 2015, page 32:

     I just hope it's not the two guys who've been assigned to cut the grass on the neutral grounds for the past ten years; man, things would really be different around here without them.

2. Used other than figuratively or idiomatically: see neutral,‎ ground.
   • 2008, BioWare, Mass Effect (Science Fiction), Redwood City: Electronic Arts, →ISBN, →OCLC, PC, scene: Normandy SR-1:

     He arranged a Crush with the tribes. A meeting on neutral ground. He wanted to talk.