The Collaborative International Dictionary of English v.0.48:

Rigolette \Rig`o*lette"\ (r[i^]g`[-o]*l[e^]t"), n. [Prob. fr.
   Rigolette, name of a girl in Eugene Sue's novel "Myst[`e]res
   de Paris."]
   A woman's light scarflike head covering, usually knit or
   crocheted of wool.
   [Webster 1913 Suppl.]