plate rail

noun
1.
a rail or narrow shelf fixed along a wall to hold plates, especially for ornament or display.
Origin
1815-25
Examples from the web for plate rail
  • Here, the molding creates and unexpected plate rail for display, as well.
British Dictionary definitions for plate rail

plate rail

noun
1.
(railways) an early flat rail with an extended flange on its outer edge to retain wheels on the track Sometimes shortened to plate