Abbr. COL or Col or Col. A commissioned rank in the U.S. Army, Air Force, or Marine Corps that is above lieutenant colonel and below brigadier general.
One who holds this rank or a similar rank in another military organization.
An honorary nonmilitary title awarded by some states of the United States.
[Alteration of obsolete coronel, from French, from Old Italian colonello, from diminutive of colonna, column of soldiers, from Latin columna, column; see kel-2 in Indo-European roots.] colo'nel·cy, colo'nel·ship' n.