Found 2 items, similar to protractor.
English → English (WordNet) Definition: protractor protractor n : drafting instrument used to draw or measure angles
English → English (gcide) Definition: Protractor Protractor \Pro*tract"or\, n. 1. One who, or that which, protracts, or causes protraction. [1913 Webster] 2. A mathematical instrument for laying down and measuring angles on paper, used in drawing or in plotting. It is of various forms, semicircular, rectangular, or circular. [1913 Webster] 3. (Surg.) An instrument formerly used in extracting foreign or offensive matter from a wound. [1913 Webster] 4. (Anat.) A muscle which extends an organ or part; -- opposed to retractor. [1913 Webster] 5. An adjustable pattern used by tailors. --Knight. [1913 Webster]