لث لثأ لثف 1. ⇒ لثأ لَثَأَ, aor. ـَ {يَلْثَأُ}, He (a dog) put his muzzle into a vessel, &c., and lapped. (Ḳ.) Omitted by J because held by him incorrect. (TA.) PDF files from studyquran.org: Lanes Lexicon Page 2650