An old tune of a dance, the name of which made it a proverbial expression of levity, especially in love matters.(noun)
A flirtatious or wanton woman.(noun)
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Use "light-o'-love" in a sentence
"The nurse and the guards believed FitzRoy was serving as Lord Denno's excuse for being in the area, in order to see his imaginary light-o'-love."
"And watching his luck was his light-o'-love, the lady that's known as Lou."
"It was that, during her "Bohemian" period, he had endeavoured to fill the empty niche left in her affections by the departure of that light-o'-love, Captain Lennox, and had been repulsed for his pains."