A2
an object made of short pieces of stiff hair, plastic or wire fixed to a handle, which is used for cleaning, smoothing hair, painting, etc.
Dictionary examples:
I tried to clean my computer with a toilet brush. Bad idea! (0.0)
I painted my wall with a toothbrush. It took only three weeks! (0.0)
I use a tiny brush to clean my teeth. My dentist calls it 'floss'! (0.0)
combs and brushes (12.3)
a clothes brush (14.8)
a scrub brush (46.2)