1. A small, light, spongy bone located between the nasal cavity and the brain, forming part of the skull.
Usage: anatomy; medical

1. Relating to or denoting the ethmoid bone.
Usage: anatomy; medical

Examples

• The ethmoid bone is one of the smallest bones in the human skull.
• Ethmoid fractures can occur from severe head trauma.
• The ethmoid sinus is located within the ethmoid bone.
• Doctors examined the patient's ethmoid region after the accident.
• The ethmoid bone helps separate the nasal cavity from the brain.