1. A helmet or helmet-like structure, especially one worn by Roman soldiers.
Usage: historical; often used in classical or archaeological contexts
2. A helmet-shaped anatomical structure or part, such as a bony or cartilaginous formation in animals or plants.
Usage: anatomy; botany; technical

Examples

• The Roman soldier wore a galea to protect his head in battle.
• Archaeological digs have uncovered many intact galeae from the imperial period.
• The galea of the helmet was decorated with a distinctive crest.
• In anatomy, the galea aponeurotica is a tough connective tissue layer in the scalp.
• Some plant species develop a galea-shaped structure on their flowers.