لكث1 لَكَثَ, [aor. ـُ inf. n. لَكْثٌ (and لِكَاثٌ, IAar), He struck, or smote; (K;) accord. to IAar, who does not particularize the hand, nor the foot: (TA:) or, with his hand, or his foot, accord. to some: (TA:) or, with [perhaps a mistake for upon] the mouth. (Kr.) [See also لكد.] b2:  لَكَتَهُ, [aor. ـُ He overburdened him. (K.) b3:  لَكِثَ, aor. ـَ [inf. n. لَكَثٌ,] He (a camel) was affected with the disorder called لَكَثٌ, or لُكَاثٌ. (K.) b4: لَكِثَ بِهِ, aor. ـَ It (dirt [see لَكْثٌ]) adhered to it; (K;) i. e., to the vessel. (TA.) [See also لَكِدَ and لَكِعَ.]لَكْثٌ The dirt of milk, which congeals upon the edge of the vessel, and is removed with the hand. (TA.) لَكَثٌ and ↓ لُكَاثٌ (as also نُكَاثٌ, TA,) A disorder in the mouths of camels, resembling pustules. (Lh, K.) b2:  ↓ لُكَاثَةٌ, A disorder that attacks sheep or goats in the sides of the mouth and in the lips, resembling an ulcer; happening on their first cropping plants when they are short, with small branches. (L.) نَاقَةٌ لَكِثَةٌ A fat she-camel. (K.) لُكَاثٌ A shining stone in gypsum. (Fr, K.) A2: See لَكَثٌ.لُكَاثَةٌ: see لَكَثٌ.لُكَّاثٌ [pl. of لَاكِثٌ?] Preparers of gypsum: (K:) not those who traffick therein. (TA.) لُكَاثِىٌّ A man (TA) very white: (K:) from  لُكَاثٌ as signifying a shining stone in gypsum. (TA.)