The Collaborative International Dictionary
Giglet
Giglot \Gig"lot\, Giglet \Gig"let\, n. [Cf. Icel. gikkr a pert, rude person, Dan. giek a fool, silly man, AS. gagol, g[ae]gl, lascivious, wanton, MHG. gogel wanton, giege fool, and E. gig a wanton person.] A wanton; a lascivious or light, giddy girl. [Obs.]
The giglet is willful, and is running upon her fate.
--Sir W.
Scott.
Wiktionary
giglet
n. (alternative form of giglot English)