[n] the property of being smooth and shiny
[n] an alphabetical list of technical terms in some specialized field of knowledge; usually published as an appendix to a text on that field
[n] an explanation or definition of an obscure word in a text
[v] gloss or excuse; "color a lie"
[v] provide an interlinear translation of a word or phrase
[v] provide interlinear explanations for words or phrases; "He annotated on what his teacher had written"
[v] give a shine or gloss to, usually by rubbing