/hwerr"li gig', werr"-/ , n.
1. something that whirls or revolves.
2. a whirling motion or course: the whirligig of fashion.
3. a giddy or flighty person.
4. Dial. a merry-go-round or carrousel.
5. a toy for whirling or spinning, as a top.
[ 1400-50; late ME whirlegigge. See WHIRL, GIG 1 ]