What is "light-of-love"

Light-o'-love \Light"-o'-love`\ (l[imac]t"[-o]-l[u^]v`), n.

1. An old tune of a dance, the name of which made it a proverbial expression of levity, especially in love matters.
   --Nares. ``Best sing it to the tune of light-o'-love.''
   --Shak.

2. Hence: A light or wanton woman; a woman inconstant in love. Called also light-of-love.
   --Beau. & Fl.

n. a woman inconstant in love [syn: light-o'-love]