verb
    
    /ˌoʊvɚˈleɪ/  -lays; -laid /-ˈleɪd/ ; -laying
    
    [+ obj] :to cover (something) with a layer of another material - often + with
    
    
    
    
    
    
    
    noun
    
    plural -lays
    
    material that covers the complete surface or part of the surface of something and that changes its appearance [noncount]
    
    
    
    
    
    
    
    [count] :a transparent sheet with information or pictures on it that is placed on top of another sheet to change what is being shown