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protractor |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Protractor \Pro*tract"or\, n. 1. One who or that which protracts, or causes protraction. 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. 3. (Surg.) An instrument formerly used in extracting foreign or offensive matter from a wound. 4. (Anat.) A muscle which extends an organ or part -- opposed to {retractor}. 5. An adjustable pattern used by tailors. --Knight. From WordNet r 1.6 [wn]: protractor n : used to draw or measure angles
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