protractor
1. [ noun ] drafting instrument used to draw or measure angles
Related terms: drafting_instrument
Similar spelling:   protract
  protracted
  protraction
  protractile
  protractible
  protractedly
  preternatural
  Protura
  Prothro
  Pretoria
  preterit
  protrude
  prothorax
  pretorian
  pretorial
  pretermit
  preterist
  protropin