لهث1 لَهِثَ, aor. ـَ inf. n. لَهَثٌ and لَهَاثٌ and لَهَثَانٌ, He thirsted; was thirsty: (S, K:) or thirst heated his belly, or inside. (L.) b2:  لَهَثَ, aor. ـَ inf. n. لَهْثٌ and لُهَاثٌ; (S, K;) and لَهِثَ, aor. ـَ (TA;) and ↓ التهث; (K;) He (a dog, S, and a man, and, in the case of the second verb, a bird also, TA) put forth his tongue, by reason of thirst, or fatigue, or weariness: (S, K:) or لَهَثَ signifies his breath (نفس) rose, by reason of fatigue, or weariness: or he (a dog) put forth his tongue, by reason of thirst: and he (a man) was fatigued, or weary. (TA.) 8 إِلْتَهَثَ see 1.لُهْثَةٌ Thirst. (K.) b2:  Fatigue. (AA, K.) b3: The red speck in a palm-leaf, (K,) which  you see when you split it. (TA.) b4:  لُهَاثٌ [for لِهَاثٌ, pl. of لُهْثَةٌ,] The specks in palmleaves: (Fr, K:) the red specks in palm-leaves, when they are split: (Fr, TA:) accord. to rule, it should be لِهَاثٌ, like نِقَاطٌ. (K.) لَهْثَانُ Thirsty: (S, K:) fem. لَهْثَى. (S.) لُهَاثٌ The heat, or burning, of thirst; (S, K;) vehemence of thirst. (TA.) b2:  (tropical:)  The severity, or vehemence, of death. (K, TA.) A2:  See لُهْثَةٌ.لُهَاثِىٌّ (assumed tropical:)  A man (TA) having many red moles (خِيلَان) on his face: (Fr, K:) from لُهَاثٌ, signifying the “ specks in palm-leaves. ” (Fr.) لُهَّاثٌ [pl. of لَاهِثٌ?] Manufacturers, with palm-leaves, of the kind of baskets called دَوَاخِلُّ, (K,) pl. of دَوْخَلَّهٌ, in which dates are put. (AA.) فِى سَكْرَةٍ مَلْهَثَةٌ In intoxication is a cause, or an occasion, of لهث [i. e., thirst; or putting forth the tongue by reason of thirst]. (TA, from a trad.)