Here are the possible solutions for backed as a lower court's ruling clue
Answer
Clue
Relevancy
upheld
Clue
Backed, as a lower court's ruling
ptomaineconcourse
Clue
Warning sign at a train station's food court? (NOTE: The original sign, without my additions, actually exists. It's in Grand Central Terminal in NYC, on the lower level — the food court level. The sig