swivel gun

名词 n.
中文释义

英文释义

名词 n.
  1. A small cannon attached to a swivel or pivot. It was usually located on a ship's rail so it could have a large range of fire, and could fire anything ranging from small round balls of lead to cannon balls.
    — On this roof a heavy swivel-gun was to be placed to command shipping, while howitzers on each side were to form a flanking defense in connection with the neighboring towers.

词形变化

swivel guns plural
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