To remove wrinkles from; to make smooth or unwrinkled (archaic/technical term).
From Latin e- (out) + ruga (wrinkle), meaning to remove wrinkles. This term was used in technical and medical contexts but is now quite rare.
This word shows how Latin verb-building works—'ruga' means wrinkle, so 'erugate' literally means 'to wrinkle-out'—the Romans loved these precise, logical terms!
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