مَفْرَغٌ
1.
A place of pouring out or forth: (O, TA:) and [particularly] the part of the leathern bucket that is next to the fore part of the wateringtrough. (TA.) See فَرْغٌ, second sentence.
2.
Also i. q.
سيلان [apparently سَيَلَانٌ i. e. The flowing of water &c.; as a verbal noun of فَرِغَ said of water]. (TA.)