(~s, ~ing, ~ed)
1.
A ~ is a white mass of bubbles which is produced by mixing a substance such as soap or washing powder with water.
...the sort of water that easily makes a ~ with soap...
He wiped off the remains of the ~ with a towel.
N-SING
2.
When a substance such as soap or washing powder ~s, it produces a white mass of bubbles because it has been mixed with water.
The shampoo ~s and foams so much it’s very hard to rinse it all out.
VERB: V
3.
If you ~ something, you rub a substance such as soap or washing powder on it until a ~ is produced, in order to clean it.
Lather your hair as normal...
For super-soft skin, ~ on a light body lotion before you bathe.
VERB: V n, V n with adv, also V n prep