adj

• (obsolete) Peculiar, domestic.
• (obsolete) Not foreign.

verb

• (transitive) To have rightful possession of (property, goods or capital); to have legal title to; to acquire a property or asset.
  "I own this car."
• (transitive) To have recognized political sovereignty over a place, territory, as distinct from the ordinary connotation of property ownership.
  "The United States owns Point Roberts by the terms of the Treaty of Oregon."
• (transitive) To defeat or embarrass; to overwhelm.
  "I will own my enemies."
• (transitive) To virtually or figuratively enslave.

noun

• (Internet slang) A crushing insult.
  "the amount of bigots that just screenshot my profile thinking it's the biggest own is insane."