uncorrect: Meaning and Definition of

un•cor•rect

Pronunciation: (un"ku-rekt'), [key]
— v.t. Navig.
  1. to convert (a true course) into a magnetic course.
  2. to convert (a magnetic course) into a compass course.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.