I found that the term 漆塗り or simply 漆 is used to indicated the lacquer applied to materials such as wood, but can I use the same term in a food context? I am talking about that sort of 'glaze' you can find in recipes such as this one. Thank you for your help!
I think the word you're looking for is 照り焼き. For example, here's a recipe for 鮭の照り焼き: