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Pronunciation varies by accent · noun
(military, historical) A form of cannon from the 19th century, mostly used for seacoast protection. It is a large-caliber, smoothbore, muzzle-loading cannon designed for launching shot or shells with heavy charges of powder, at both high and low angles of elevation..
Use columbiad when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Columbiad means (military, historical) A form of cannon from the 19th century, mostly used for seacoast protection. It is a large-caliber, smoothbore, muzzle-loading cannon designed for launching shot or shells with heavy charges of powder, at both high and low angles of elevation..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use columbiad where its definition matches the intended context.
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