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单词 ballast keel
释义

Definition of ballast keel in English:

ballast keel

noun

  • A weight attached to or incorporated into the keel of a vessel to serve as ballast; especially a heavy metal moulding attached to the keel of a sailing vessel.

Origin

Early 19th century.

 
 

Definition of ballast keel in US English:

ballast keel

noun

  • A weight attached to or incorporated into the keel of a vessel to serve as ballast; especially a heavy metal moulding attached to the keel of a sailing vessel.

Origin

Early 19th century.

 
 
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更新时间：2024/11/13 9:59:47