flap gate

noun

A device that allows water to flow in one direction only through a culvert; it is used especially to drain surface water from coastal marshes at low tide

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Meanings

nounflap gate (plural flap gates)

plural flap gates · alternative flapgate

  1. A device that allows water to flow in one direction only through a culvert; it is used especially to drain surface water from coastal marshes at low tide
Cite this entry
APA

flap gate. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/flap%20gate

MLA

“flap gate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/flap%20gate. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “flap gate,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/flap%20gate.

Source: flap gate on Wiktionary, CC BY-SA 4.0.