definition of
coating

[1] #1 coating n. [coat] a thin layer covering something; "a second coat of paint". wn

[2] #2 coating n. [finish, finishing] a decorative texture or appearance of a surface (or the substance that gives it that appearance); "the boat had a metallic finish"; "he applied a coat of a clear finish"; "when the finish is too thin it is difficult to apply evenly". wn

[3] #3 coating n. a heavy fabric suitable for coats. wn

[4] #4 coating n. [application, covering] 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";. wn