روغ doesn't appear in Hans Wehr's Modern Standard Arabic dictionary, but Lane's Arabic-English Lexicon has 2 entries for it, distinguished by diacritics. Select one below for the full classical Arabic definition.

• رَاغَ Form 1

  1 رَاغَ ذ , (S, Msb, K,) aor. يَرُوغُ, (S, Msb,) inf. n. رَوْغٌ (S, Msb, K) and رَوَغَانٌ, (S, Mgh, Msb, K,) said of a fox, (S, Mgh, Msb, K,) and of a man, (K,) He turned aside or away from a thing: (K:) or went this way…

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• روّغ Form 2

  2 روّغ ذ , (IAar, K,) inf. n. تَرْوِيغٌ, (TA,) (tropical:) He smeared, seasoned, imbued, or soaked, a mess of ثَرِيد [i. e. broken, or crumbled, bread], (IAar, K, TA,) or a morsel, or mouthful, (TA,) with grease, or grav…

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