transcription, транскрипция: [ ˈrōd-ˌbed ]
noun
Date: circa 1840
1.
a. : the bed on which the ties, rails, and ballast of a railroad rest
b. : the ballast or the upper surface of the ballast on which the ties rest
2.
a. : the earth foundation of a road prepared for surfacing
b. : the part of the surface of a road traveled by vehicles