Other forms: flounces
A flounce is a wide strip sewn on to hang loose. A flounce at the hem, tiered flounces, a flounce of lace.
It differs from a frill by being cut on the curve rather than gathered, which is why it hangs and moves instead of bunching. The verb is a different word and means to move off in an indignant rush.
1nounflounceA wide strip sewn on to hang loose.
“Her wedding dress had a lace flounce around the hem.”
flounce is a strip.
Probably of Scandinavian origin and perhaps imitative, with the verb a separate word.
Norwegian
flunsa — hurry
English, today
flounce
Probably of gmq - origin, from Norwegian flunsa (“hurry”), perhaps ultimately imitative of the sound. Or, perhaps formed on the pattern of pounce, bounce.
Etymology from Wiktionary, CC BY-SA