Colo.

Proper noun

Colorado

1. A major river of western North America, running from the Rocky Mountains in the United States to the Gulf of California in Mexico.
   • A million cascade brooks unite to form a thousand torrent creeks ; a thousand torrent creeks unite to form half a hundred rivers beset with cataracts ; half a hundred roaring rivers unite to form the Colorado, which rolls, a mad, turbid stream, into the Gulf of California.1895, J[ohn] W[esley] Powell, chapter I, in Canyons of the Colorado, Meadville, PA: Flood & Vincent; republished as The Exploration of the Colorado River and Its Canyons, New York: Dover, 1961...
2. A state in the western United States, the 38th state. Capital and largest city: Denver.
   • The mountains of Colorado were, till a comparatively recent date, richly clothed with forest; but owing partly to natural causes, and still more to the lavish consumption and reckless destruction of the early settlers, the quantity of growing timber in the State is exceedingly small, and before...1878, "Colorado", Encyclopaedia Britannica, 9th ed., Vol. VI, p. 162
3. A river in Texas in the United States, flowing into the Gulf of Mexico.
4. An unincorporated community in Texas, United States.
5. (historical) The Territory of Colorado, a former territory of the United States.
6. (historical) A ghost town in California, United States.

See all 17 meanings of colorado