A fine white chalk used in paints, putty, whitewash etc.
1918, Hannah Teresa Rowley, Mrs. Helen Louise (Wales) Farrell, Principles of Chemistry Applied to the Household
Precipitated calcium carbonate, a very fine powdery form, is used as a basis for many tooth powders and pastes. As whiting it finds a wide use in cleaning metals of their tarnishes.
verb
present participle and gerund of white
noun
A fish, Merlangius merlangus (family Gadidae), similar to cod, found in the North Atlantic; English whiting (US).
Any fish of many species that resemble Merlangius merlangus: