Definition of "relaying"

The paid permanent way staff prepare and refettle the track during the week and at weekends volunteer gangs of some 30/40 people are engaged on relaying — [...].

1979 August, Michael Harris, “A line for all reasons: the North Yorkshire Moors Railway”, in Railway World, page 412

Most of the relayings produced by an interpreter consist of renditions.

1999, Melanie Metzger, Sign Language Interpreting, page 114