noun

• (rhetoric, obsolete) An artful deviation from the ordinary arrangement of words.
• (astrology) A representation of the aspects of the celestial bodies for any moment or at a given event.
  "a blue case, from which was drawn a scheme of nativity"
• (mathematics) A mathematical structure that generalizes the notion of an algebraic variety in several ways, such as taking account of multiplicities and allowing "varieties" defined over any commutative ring. Formally, a locally ringed space that admits a covering by open sets, each of which is isomorphic to an affine scheme (i.e. the spectrum of some commutative ring).
• (UK, chiefly Scotland, colloquial) A council housing estate.
  "It was all too dear. They all just put their prices up because it was out in the scheme."

verb

• (intransitive) To plot, or contrive a plan; to manuever.
  "Laura snatches coins from inside a truck to make a telephone call, scrounges shoes and clothes for them at a municipal beach, schemes to get a room key so she and Howie can sleep overnight in the Starlight Motel, steals a Jeepster from a deputy sheriff who's trying to arrest them."
• (transitive) To plan; to contrive; to manuever.
  "He schemed a plot. He made use of the hotel's stationery to write a letter."