The word carousel entered English in the 1650s from French carrousel, itself borrowed from Italian carosello. The Italian word originally designated not a children's ride but a competitive equestrian game played at Renaissance courts, in which horsemen threw clay balls filled with scented water at one another. The ultimate origin of Italian carosello is disputed, with leading theories connecting it to Neapolitan dialect and possibly to Latin carus (dear, costly), referring to the expense of staging such elaborate mounted spectacles.
The equestrian carosello was a popular entertainment at Italian courts from the 16th century onward, functioning as a display of horsemanship, a social event, and a form of military training. Riders demonstrated their skill by performing choreographed maneuvers, throwing projectiles at targets, and spearing small rings at full gallop. The game spread to France in the 17th century, where it became carrousel and acquired particular grandeur under Louis XIV, who staged a spectacular carrousel in the courtyard of the Tuileries in 1662. The Place
The transformation from aristocratic horse game to revolving fairground ride occurred gradually during the 18th century. The earliest mechanical carousels appeared in European pleasure gardens and fairs, using wooden horses suspended from a central pole that was turned by hand, by horse power, or by cranking mechanisms. These devices preserved the equestrian connection of the original: riders on wooden horses could practice spearing rings as the device rotated, mimicking the mounted exercises of the courtly carrousel. By the 19th century, steam power and later electricity replaced manual operation, and the carousel evolved
The ring-spearing tradition survived into the mechanical era. At several historic carousels, riders can still reach for brass rings as the platform revolves -- the origin of the English idiom "to grab the brass ring," meaning to seize an opportunity. The oldest continuously operating carousel in the United States, at Watch Hill, Rhode Island (dating to approximately 1876), still features a ring-dispensing mechanism.
The deeper etymology of Italian carosello remains unresolved. The connection to Latin carus (dear) is phonetically plausible but semantically speculative. Some scholars have proposed a connection to carro (cart, chariot), from Latin carrus, suggesting a diminutive meaning "little chariot." Others have looked to Arabic kurraj (a ball used in equestrian games), noting the cross-cultural exchange between Arabic and Italian equestrian traditions
In modern English, carousel carries three distinct but related meanings. The first is the amusement park ride with mounted figures (usually horses) revolving around a central axis, also called a merry-go-round. The second, dating from the mid-20th century, is a rotating conveyor mechanism, particularly the baggage carousel at airports. The third, less common, is a rotating slide projector tray