freeboard

noun
free·​board | \ˈfrē-ˌbȯrd \

Definition of freeboard 

1 : the distance between the waterline and the main deck or weather deck of a ship or between the level of the water and the upper edge of the side of a small boat

2 : the height above the recorded high-water mark of a structure (such as a dam) associated with the water

Examples of freeboard in a Sentence

Recent Examples on the Web

The present system is overdesigned for those surges, with earthen levees and concrete structures containing as much as 3 feet of extra storage space, or freeboard, to account for subsidence and sea level rise over their 50-year design life. Mark Schleifstein, NOLA.com, "New Orleans area levee system 'high risk,' and 'minimally acceptable', Corps says," 22 May 2018 And maybe a 1-foot freeboard isn't high enough, Berginnis said. Thom Patterson, CNN, "How Houston's layout may have made its flooding worse," 31 Aug. 2017 Or consider Nashville, Tennessee, which has a freeboard of 4 feet. Thom Patterson, CNN, "How Houston's layout may have made its flooding worse," 31 Aug. 2017 Much of Houston has a 1-foot freeboard, Berginnis said. Thom Patterson, CNN, "How Houston's layout may have made its flooding worse," 31 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'freeboard.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of freeboard

1718, in the meaning defined at sense 1

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Time Traveler for freeboard

The first known use of freeboard was in 1718

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More from Merriam-Webster on freeboard

Rhyming Dictionary: Words that rhyme with freeboard

Britannica.com: Encyclopedia article about freeboard

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