Merriam-Webster's Collegiate® Dictionary, 11th Edition
GIG
I. noun
Etymology: Middle English -gyge (in whyrlegyge whirligig), of unknown origin
Date: 1570
something that whirls or is whirled: as, top , whirligig , a 3-digit selection in a numbers game, a person of odd or grotesque appearance,
3. a long light ship's boat, a rowboat designed for speed rather than for work, a light 2-wheeled one-horse carriage,
II. intransitive verb (gigged; gigging)
Date: 1807
to travel in a gig,
III. noun
Etymology: short for earlier fizgig, fishgig, of unknown origin
Date: 1722
a pronged spear for catching fish, an arrangement of hooks to be drawn through a school of fish in order to hook their bodies,
IV. verb (gigged; gigging)
Date: 1803
transitive verb to spear with a gig,
2. spur , jab , goad , provoke , intransitive verb to fish with a gig,
V. noun
Etymology: origin unknown
Date: 1926
a job usually for a specified time, V
I. intransitive verb (gigged; gigging)
Date: 1939
to work as a musician , V
II. noun
Etymology: origin unknown
Date: circa 1941
a military demerit, V
III. transitive verb (gigged; gigging)
Date: circa 1941
to give a military gig to, IX. noun
Date: 1987
gigabyte