noun
plural -lays
[count] a race between teams in which each team member runs, swims, etc., a different part of the race
the act of passing something from one person or device to another
a group of people, horses, etc., that takes the place of others so that something (such as a job or an activity) is done continuously
technical :a device that is used to cause a switch to open or close automatically when there is a change in the current that is flowing through a circuit
verb
-lays; -layed; -laying
[+ obj] :to pass (something, such a message or information) from one person or device to another