protective fold

Definitions of protective fold
  1. noun
    a flap of tissue that protects what it covers
    see moresee less
    eyelid, lid, palpebra
    either of two folds of skin that can be moved to cover or open the eye
    nictitating membrane, third eyelid
    a protective fold of skin in the eyes of reptiles and birds and some mammals
    the nictitating membrane of a horse
    type of:
    a movable piece of tissue partly connected to the body
Word Family