noun. a small sebaceous cyst of the eyelid resulting when a Meibomian gland is blocked.
- Meibomian cyst
- sebaceous cyst
- pilar cyst
Example sentences of the word chalazion
1. Noun, singular or mass
The eyelid contains 20 to 30 oil glands, which means it is possible to have more than one chalazion at a time.