boil out of

boil (something) out of (something)

To use boiling water to clean a substance (such as a stain) from an item. Do you know if can you boil grass stains out of cotton?
See also: boil, of, out

boil something out of something

 and boil something out
to remove something from something by boiling. I boiled the wax out of the cloth. You can boil out the stain.
See also: boil, of, out