meibomian gland

noun, often capitalized M
mei·​bo·​mian gland | \ mī-ˈbō-mē-ən- How to pronounce meibomian gland (audio) \

Medical Definition of meibomian gland

: one of the long sebaceous glands of the eyelids that discharge a fatty secretion which lubricates the eyelids

called also tarsal gland

— see chalazion