[n] the work of applying something; "the doctor prescribed a topical application of iodine"; "a complete bleach requires several applications"; "the surface was ready for a coating of paint";
[n] the act of protecting something by covering it
[n] the act of concealing the existence of something by obstructing the view of it; "the cover concealed their guns from enemy aircraft"
[n] an artifact that cover something else (usually to protect or shelter or conceal it)
[n] a natural object that covers or envelops; "under a covering of dust"; "the fox was flushed from its cover"
[adj] actively protective; "provided covering fire for the platoon that was moving up"
[adj] above or covering a wide area; "the covering darkness"; "shadow of the overhanging crag"; "the dark overspreading clouds"
application, broad, coating, cover, cover, masking, natural covering, overhanging, overspreading, protective, screening, shielding, wide