From Longman Dictionary of Contemporary Englishscrubbing brushˈscrubbing brush especially British English, scrub brush American English noun [countable] 
DHCa stiff brush that you use for cleaning things
DHCa stiff brush that you use for cleaning thingsExamples from the Corpus
scrubbing brush• I can't quite picture Veronica down on her knees with a scrubbing brush.• A fork and a couple of shining spoons lay beside it, along with the washboard and scrubbing brush.• Washing dollies Warm water, washing-up liquid, scrubbing brush and cloths, plus waterproof dolls, are an irresistible combination.• Grids, bits of oven, bowls of scummy water, soap, scrubbing brush, lay all around her.• She used the soap, but not the scrubbing brush.• Another is a yogi on the scrubbing brush. 