sliding keel

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Explanation of "Sliding Keel"

Definition:
A "sliding keel" is a special part of a sailboat. It is a fin-shaped piece that can move up and down. When the keel is down, it helps the boat stay steady and prevents it from drifting sideways (to the leeward side, which is the side away from the wind). When the keel is retracted (pulled up), it allows the boat to go into shallow water easily.

Usage Instructions:

• Use "sliding keel" when talking about sailboats, especially when discussing their design and how they move in water.
• It is mainly used in nautical contexts.

Example Sentence:

• "The sailboat has a sliding keel that allows it to navigate both deep and shallow waters effectively."

Advanced Usage:

• In more technical discussions about sailing, you might say: "The sliding keel enhances the boat's performance by providing better lateral resistance during strong winds."

Word Variants:

• Keel: This is the general term for the bottom structure of a ship or boat that helps it stay upright.
• Fin Keel: Similar to a sliding keel, but it does not retract; it is fixed in place.

Different Meanings:

• In some contexts, "keel" can refer to the backbone or main structure of something, such as in "to keel over," which means to fall over.

Synonyms:

• Retractable keel
• Drop keel
• Fin keel (in a broader sense)

Idioms and Phrasal Verbs:

While there are no specific idioms or phrasal verbs directly related to "sliding keel," you might encounter phrases like: - "Keel over": This means to fall suddenly, often used to describe someone fainting or collapsing.

Summary:

A "sliding keel" is an important feature in sailing that helps keep a boat stable. It can move up and down, allowing the boat to adjust to different water depths and conditions.

Academic

Noun

1. a retractable fin keel used on sailboats to prevent drifting to leeward

Synonyms

• centerboard
• centreboard
• drop keel