What is the meaning of gloss?

noun

• An explanation or definition of an obscure word in a text.
  • synonyms: rubric
• An alphabetical list of technical terms in some specialized field of knowledge; usually published as an appendix to a text on that field.
  • synonyms: glossary
• The property of being smooth and shiny.
  • synonyms: polish, glossiness, burnish
• An outward or token appearance or form that is deliberately misleading.
  • usage: "he hoped his claims would have a semblance of authenticity"; "he tried to give his falsehood the gloss of moral sanction"; "the situation soon took on a different color"
  • synonyms: semblance, color, colour

verb

• Give a shine or gloss to, usually by rubbing.
• Provide interlinear explanations for words or phrases.
  • usage: "He annotated on what his teacher had written"
  • synonyms: comment, annotate
• Provide an interlinear translation of a word or phrase.
• Give a deceptive explanation or excuse for.
  • usage: "color a lie"
  • synonyms: color, colour