Word Study
columbiad
CIDE DICTIONARY
columbiad, n. [From Columbia the United States.].
A form of seacoast cannon; a long, chambered gun designed for throwing shot or shells with heavy charges of powder, at high angles of elevation. [1913 Webster]
" Since the War of 1812 the Columbiad has been much modified, especially by General Rodman , and the improved form now used in seacoast defense is often called the Rodman gun ." [1913 Webster]
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