noun
- a natural opening or passage in the body
Usage: medical; anatomy
Examples
- The urethral meatus is the opening at the tip of the penis.
- The doctor examined the external auditory meatus during the hearing test.
- Inflammation can cause swelling around the nasal meatus.
- The acoustic meatus allows sound waves to reach the eardrum.
- Medical students learn to identify various types of meatus in anatomy class.
- A blocked meatus can cause drainage problems in the ear.