chalazion Meaning, Definition & Usage

  1. noun a small sebaceous cyst of the eyelid resulting when a Meibomian gland is blocked
    Meibomian cyst.

WordNet

Cha*la"zi*on noun
Etymology
NL., fr. Gr. dim. of hail, pimple.
Definitions
  1. (Med.) A small circumscribed tumor of the eyelid caused by retention of secretion, and by inflammation of the Melbomian glands.

Webster 1913