gig

Concise Oxford English Dictionary © 2008 Oxford University Press:
gig1 /gɪg/

▶noun

• 1 chiefly historical a light two-wheeled carriage pulled by one horse.

• 2 a light, fast, narrow boat adapted for rowing or sailing.

– origin C18: appar. a transferred sense of obs. gig ‘a flighty girl’.

Concise Oxford English Dictionary © 2008 Oxford University Press:
gig2 /gɪg/ informal

▶noun

• 1 a live performance by a musician or other performer.

• 2 a task or assignment: spotting whales seemed like a great gig.

▶verb (gigs, gigging, gigged) perform a gig or gigs.

– origin 1920s: of unknown origin.

Concise Oxford English Dictionary © 2008 Oxford University Press:
gig3 /gɪg/

▶noun a harpoon-like weapon used for catching fish. ▶verb (gigs, gigging, gigged) fish using such a weapon.

– origin C18: shortening of earlier fizgig, prob. from Sp. fisga ‘harpoon’.

Concise Oxford English Dictionary © 2008 Oxford University Press:
gig4 /gɪg, dʒɪg/

▶noun Computing, informal short for gigabyte.