👉 Lather is a phrase that means to add or apply something to a surface, typically with a mixture of water and ingredients. It's often used in the context of cleaning, where it refers to applying a liquid substance (like soap) on a surface to remove dirt, grime, or other impurities. Lathers can be used for various purposes such as washing dishes, scrubbing surfaces, or even just making a mess with water and detergent.