protractor

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protractor

 [pro-trak´ter]
1. a muscle that pulls a part forward; see also retractor.
2. a semicircular device for measuring and constructing angles.

pro·trac·tor

(prō-trak'tŏr, -tōr),
A muscle drawing a part forward, as antagonistic to a retractor (for example, the serratus anterior muscle is a protractor of the scapula; the lateral pterygoid muscle is a protractor of the mandible).
[L. pro-traho, pp. -tractus, to draw forth]

protractor

/pro·trac·tor/ (-trak´ter) an instrument for extracting foreign bodies from wounds.

protractor

(prō-trăk′tər, prə-)
n.
1. A semicircular instrument for measuring and constructing angles.
2. Anatomy A muscle that extends a limb or other part.

pro·trac·tor

(prō-trak'tǒr)
A muscle drawing a part forward, as antagonistic to a retractor.
[L. pro-traho, pp. -tractus, to draw forth]

protractor

muscle whose action causes forward movement of a part (contrast with retractor)

protractor 

1. Instrument used to measure or set out angles on paper.
2. A scale containing a circle graduated in degrees and a set of axes emerging from the centre of the circle used to set the axis of an astigmatic ophthalmic lens. It also includes various other scales for positioning the optical centre of lenses.

protractor

an instrument for extracting foreign bodies from wounds.