Definition of Gloss

• an explanation or definition of an obscure word in a text
• an alphabetical list of technical terms in some specialized field of knowledge; usually published as an appendix to a text on that field
• an outward or token appearance or form that is deliberately misleading; "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"