‖n. [ Cf. Per. babūl a species of mimosa yielding gum arabic. ] The rind of the fruit of several East Indian species of acacia; neb-neb. It contains gallic acid and tannin, and is used for dyeing drab. [ 1913 Webster ]
[磨嘴皮子, mó zuǐ pí zi, ㄇㄛˊ ㄗㄨㄟˇ ㄆㄧˊ ㄗ˙]to wear out the skin of one's teeth (成语 saw); pointlessly blather; to talk incessant nonsense; blah blah[Add to Longdo]