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The flow of the tidal stream as it recedes, from the ending of the period of slack water at high tide to the start of the period of slack water at low tide. Its period is about six hours, which is approximately divided into three parts: the first two hours being known as the first of the ebb, the middle two hours as the strength of the ebb, and the last two hours as the last of the ebb. It is also used as a verb.

See also flood.

See also flood.

Subjects: Maritime History.

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