Definition of demarcate
- a plot of land demarcated by a low stone wall
- demarcate teachers as mentor, master and model teachers based on their level of education
- —Shanay Cadette
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'demarcate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Demarcate is set apart by its unique history. Scholars think it may have descended from the Italian verb marcare ("to mark"), which is itself of Germanic origin (the Old High German word for boundary, "marha," is a relative). "Marcare" is the probable source of the Spanish marcar (also "to mark"), from which comes the Spanish demarcar ("to fix the boundary of"). In 1493, a Spanish noun, demarcación, was used to name the new meridian dividing the New World territory between Spain and Portugal. Later (about 1730), English speakers began calling this boundary the "line of demarcation," and eventually we began applying that phrase to other dividing lines as well. "Demarcation" in turn gave rise to "demarcate" in the early 19th century.
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the quality or fact of being simultaneous
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