(now archaic or historical) A knight, or other mounted warrior. / An old Dutch gold coin with the figure of a man on horseback stamped upon it.

plural of rider

Of a fence: having stakes laid across the bars. / Having a rider (supplementary clause).

A surname originating as an occupation. More often spelled Ryder.

plural of boundary rider

Alternative form of boundary rider

(Australia) A person employed to travel along the boundary of a station, to check and maintain the fencing.

(obsolete) One who rides the surf usually on a surfboard; a surfer

(Jamaica, US, Canada, Britain) extremely short shorts worn by women, so as to expose part of the buttocks

An itinerant preacher, especially a Methodist. / (US) A judge who holds court in a series of towns. / (computing) A computer consultant who advises non-profit organizations.