ptosis

/ˈtoʊsəs/
IPA guide

Definitions of ptosis
  1. noun
    drooping of the upper eyelid caused by muscle paralysis and weakness
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    types:
    brow ptosis
    sagging eyebrows
    type of:
    descensus, prolapse, prolapsus
    the slipping or falling out of place of an organ (as the uterus)
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