Outrigger (nautical)

Relief of Borobudur Temple (8th century AD) in Central Java, Indonesia, showing a ship with outrigger
Outrigger on a contemporary Hawaiian sailing canoe

An outrigger is a projecting structure on a boat, with specific meaning depending on types of vessel. Outriggers may also refer to legs on a wheeled vehicle that are folded out when it needs stabilization, for example on a crane that lifts heavy loads.