1. Plural of brachium; the upper arms or arm-like appendages, especially in anatomy or zoology.
Usage: technical/medical; plural form
2. In zoology, arm-like structures or appendages of certain animals, such as cephalopods or starfish.
Usage: zoological; plural form

Examples

• The anatomist examined the brachia of the skeleton to understand arm structure.
• The octopus extended its brachia to explore the ocean floor.
• In medical terminology, the brachia are the regions between the shoulder and elbow.
• The starfish's brachia radiated outward from its central body.
• Damage to the brachia can affect upper limb function and mobility.