noun. ['ˈfɪlbɝt'] nut of any of several trees of the genus Corylus.
1. Noun, singular or mass Add some soft strokes of grey paint to the white clouds with a filbert or bright brush. 2. Adjective Use the filbert brush or a clean popsicle stick to stir the paint.
noun. ['ˈfɪlbɝt'] small nut-bearing tree much grown in Europe.