| 释义 | co·mar·ca \kōˈmärkə\ noun
 (-s)
 Etymology: Spanish, from Medieval Latin commarca boundary, confines, from com- + marca boundary, border territory, of Germanic origin; akin to Old High German marca border, border region — more at mark
 : a territorial subdivision (as a district or circuit) of a state — used chiefly of administrative units of certain Latin-American nations
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