Category: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.)

Defn: an instrument formerly used in extracting foreign or offensive Matter from a wound.

4. (anat.)

Defn: a muscle which extends an organ or part; -- opposed to Retractor.

5. An adjustable pattern used by tailors. Knight.