B1
with little or no hair on the head
Dictionary examples:
My bald friend's Halloween costume? A giant light bulb! (0.0)
My bald teacher joked that his head was a solar panel for good ideas. (0.0)
My bald uncle uses his shiny head as a mirror to check his teeth. (0.0)
At twenty he was already going bald. (21.2)
He has a bald spot. (26.1)