ETYM Italian carnevale, prob. for older carnelevale, prop., the putting away of meat; from Latin caro, carnis, flesh + levare to take away, lift up, from levis light.
1. A festival marked by merrymaking and processions.
2. A traveling show; having sideshows and rides and games of skill etc.; SYN. fair, funfair.

ETYM Latin exhibitio a delivering: cf. French exhibition.
1. A collection of things (goods or works of art etc.) for public display; SYN. exposition, expo.
2. The act of exhibiting.

ETYM Old Eng. feire, Old Fren. feire, French foire, from Latin fariae, pl., days of rest, holidays, festivals, akin to festus festal. Related to Feast.
1. A competitive exhibition of farm products.
2. A gathering of producers to promote business.