Definition: imaginary line running north and south and intersecting a base line at a definite point, used by surveyors as reference to locate land under the government survey system
Pronunciation: \ˈprin(t)-s(ə-)pəl\ \mə-ˈri-dē-ən\
Used in a Sentence: The Tallahassee principal meridian and base line are the reference lines that govern surveys in Florida.
