Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

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col a pass or gap between mountains.
col-1 together; with; jointly.
col-2 variant of colo-.
Col. abbreviation of "Colonel," in the U.S. Army, Air Force, and Marines, a rank above lieutenant colonel and below brigadier general (used in a proper name).
colo- colon or large intestine.
Colorado a western U.S. state bordered by Wyoming, Kansas, New Mexico, and Utah. (abbr.: CO) [2 definitions]