Cite
 

Meaning of tie plate

tie' plate"

Pronunciation: [key]
— Railroads. Railroads.
  1. a plate set between the base of a rail and a crosstie to distribute the rail load over a greater area of the tie and thus reduce wear and damage to it.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.