verb

• (transitive) To obscure something by casting a shadow.
  "While he thus ſpake, there came a cloud, and ouerſhadowed them, ⁊ they feared, as they entred into the cloude."
• (transitive) To dominate something and make it seem insignificant.
  "A branch of rail transport that seems to been rather neglected by historians is that concerned with cliff railways, of which a fair number exist in Great Britain. This is probably because these lines are overshadowed by the more spectacular funicular railways in Switzerland and other mountainous regions; perhaps, too, because of the general habit of referring to them as "cliff lifts," which tends to associate them with the vertical indoor type."
• (transitive) To shelter or protect.