protractor

noun

A semicircular instrument for measuring and constructing angles.

noun

A muscle that extends a limb or other part.

noun

One who or that which protracts. As applied to persons, also protractor.

noun

In anatomy, a muscle which protracts, or extends or draws a part forward: the opposite of retractor. See diagram under Echinoidea.

noun

An adjustable pattern, agreeing in proportion with particular measurements, used by tailors in cutting out garments.

noun

One who, or that which, protracts, or causes protraction.

noun

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.

noun

An instrument formerly used in extracting foreign or offensive matter from a wound.

noun

A muscle which extends an organ or part; — opposed to retractor.

noun

An adjustable pattern used by tailors.