immovable : Idioms & Phrases
Immovable apparatus
(Med.) , an appliance, like the plaster of paris bandage, which keeps fractured parts firmly in place.
Webster 1913
immovable bandage
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noun a bandage of cloth impregnated with a substance (e.g., plaster of Paris) that hardens soon after it is applied
WordNet
Immovable feasts
(Eccl.) , feasts which occur on a certain day of the year and do not depend on the date of Easter; as, Christmas, the Epiphany, etc.
