rima
/ˈriːmə/
noun
- A narrow opening, slit, or fissure, especially in anatomy (e.g., the opening between the eyelids or the vocal cords).
- The rima between the two bones was barely visible on the X-ray.
- The doctor examined the rima of the patient's eye for any signs of infection.
- In anatomy class, they studied the rima that separates the vocal folds.