1. the bony ridge of the skull above the eye socket, forming the prominence of the eyebrow
Usage: usually plural; anatomical term

Examples

• The browbones are prominent features of the human skull.
• She furrowed her browbones in concentration.
• The fossil showed distinctive browbones characteristic of early hominids.
• He rubbed his browbones when he felt a headache coming on.
• The browbones frame the upper part of the eye sockets.