English Explanatory Dictionary

protractor

English dictionary entry

Meanings

noun
  1. One who, or that which, protracts, or causes protraction.
  2. A circular or semicircular tool for drawing or measuring angles.
  3. An instrument formerly used in extracting foreign or offensive matter from a wound.
  4. A muscle that extends an organ or part; opposed to retractor.
  5. An adjustable pattern used by tailors.

Pronunciation

/pɹəˈtɹæktə(ɹ)/ LL-Q1860 (eng)-Vealhurl-protractor.wav

Word forms

protractor protractors

Etymology

From protract + -or.

Synonyms

semicircle
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