Definitions
1.verbTo draw out; to extend, especially in duration.
2.verbTo use a protractor.
3.verbTo draw to a scale; to lay down the lines and angles of, with scale and protractor; to plot.
4.verbTo put off to a distant time; to delay; to defer."to protract a decision or duty"
5.verbTo extend; to protrude."A cat can protract and retract its claws."
6.adjectiveLasting for a long time or longer than expected or usual."a protracted and bitter dispute"