Note: Since the War of 1812 the Columbiad has been much modified form now used in seacoast defense is often called the Rodman gun.
COLUMBIAN
Co*lum"bi*an, a. Etym: [From Columbia.]
Defn: Of or pertaining to the United States, or to America.
COLUMBIC
Co*lum"bic, a. Etym: [From Columbium.] (Chem.)
Defn: Pertaining to, or containing, columbium or niobium; niobic. Columbic acid (Chem.), a weak acid derived from columbic or niobic oxide, Nb2O5; — called also niobic acid.
COLUMBIC
Co*lum"bic, a. Etym: [From Columbo.]
Defn: Pertaining to, or derived from, the columbo root. Columbic acid (Chem.), an organic acid extracted from the columbo root as a bitter, yellow, amorphous substance.
COLUMBIER
Co*lum"bi*er, n.
Defn: See Colombier.
COLUMBIFEROUS
Col"um*bif"er*ous, a. Etym: [Columbium + -ferous.]