Yes, gloss is a Scrabble word!
...and is worth 6 points in Scrabble, and 8 points in Words with Friends
gloss
Verb
1. Give a shine or gloss to, usually by rubbing
2. Provide interlinear explanations for words or phrases
3. Provide an interlinear translation of a word or phrase
4. Give a deceptive explanation or excuse for
Noun
1. An explanation or definition of an obscure word in a text
2. An alphabetical list of technical terms in some specialized field of knowledge; usually published as an appendix to a text on that field
3. The property of being smooth and shiny
4. An outward or token appearance or form that is deliberately misleading
What Scrabble words can I make with the letters in gloss?
5 Letter Words
4 Letter Words
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3 Letter Words
2 Letter Words