Definition of outfall
: the outlet of a body of water (such as a river or lake); especially : the mouth of a drain or sewer
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Recent Examples of outfall from the Web
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Other people, including representatives of the environmental group Potomac Riverkeeper Network, had questions about where the city was thinking of building its storage tanks or tunnels, particularly for the Oronoco Bay outfall.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'outfall'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of outfall
1629
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