فَلَحٌ
1.
A fissure, or crack, in the under lip; (T, K;) [or]
فَلَحَةٌ has this meaning; (S;) or signifies the place of such a fissure or crack: (L:) [or the former is a coll. gen. n.; and the latter, its n. un.:] that which is in the upper lip is termed عَلَمٌ: (T, TA:) or فَلَحٌ signifies a fissure, or crack, in the lip: or, in the middle of the lip, less than what is termed
عَلَمٌ: or a slitting, or cracking, in the lip, such as happens to the lips of the [Africans called] زَنْج. (L.)
2.
[And] The having the under lip slit, or cracked. (S. [App. a verbal noun of which the verb is
فَلِحَ: like as it is of فَلِحَت said of the under lip as mentioned above.])
3.
See also فَلَاحٌ.