noun

• (figuratively) Anything resembling such a downward-facing concave structure, particularly the sky and caves.
  "The stalactites held tightly to the cave's vault."
• (often figurative) Any archive of past content.
• (computing) An encrypted digital archive.
• (obsolete) An underground or covered conduit for water or waste; a drain; a sewer.

verb

• (transitive) To build as, or cover with a vault.
  "The shady arch that vaulted the broad green alley."
• (transitive) To store in a vault.
• (video games) To remove (an item, character, etc.) from a video game in an update.
  "In future updates, most likely in season six, more items will get vaulted."

verb

• (ambitransitive) To jump or leap over with a hand and/or foot on the item for support.
  "The fugitive vaulted over the fence to escape."

noun

• (gymnastics) A piece of apparatus used for performing jumps.
• (gymnastics) A gymnastic movement performed on this apparatus.
• (equestrianism) Synonym of volte: a circular movement by the horse.
• (gymnastics) An event or performance involving a vaulting horse.