columbiad

名词 n.
中文释义

英文释义

名词 n.
  1. 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. historical

词形变化

columbiads plural

词源

From Columbia (“the United States”).The term was first used for a type of cannon employed at Fort Columbus on Governor's Island in New York in 1808.
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