- protruded disk,
Origin of protractor
Examples from the Web for protractor
Carnes read the compass bearing on the protractor attached to the frame which supported the telescope.
He looked up at her and nodded pleasantly, then moved his protractor a few inches.The Leopard Woman|Stewart Edward White
We'll start with the one with the coconut ice and the protractor, please.The Judge|Rebecca West
If any time is left, spend it in marking courses with the protractor and handling the sextant.Lectures in Navigation|Ernest Gallaudet Draper
The pupil who cannot see the equality of vertical angles intuitively better than by the use of the protractor is abnormal.The Teaching of Geometry|David Eugene Smith
1610s, "one who lengthens (an action)," from Medieval Latin protractor, agent noun from Latin protrahere "to draw forward" (see protraction); sense of "instrument for drawing angles" first recorded 1650s.