ruga

/ˈruɡə/
noun
  1. A wrinkle, crease, or fold, especially on the skin or on a surface.
    • The old man's face was covered in rugae from a lifetime of smiling.
    • The ruga on the palm of her hand deepened as she gripped the rope tightly.
    • Scientists study the rugae on the roof of the mouth to understand taste perception.
Antonyms