Meanings
nounflapped outfall (plural flapped outfalls)
plural flapped outfalls
- An outfall fitted with a metal flap so that floodwater will not back up
Cite this entry
APA
flapped outfall. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/flapped%20outfall
MLA
“flapped outfall.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/flapped%20outfall. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “flapped outfall,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/flapped%20outfall.
Source: flapped outfall on Wiktionary, CC BY-SA 4.0.