jolly jumper

noun Nautical.

any light sail set above a skysail; flying kite.

Origin of jolly jumper

First recorded in 1880–85

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for jolly jumper

Jolly Jumper

noun

trademark Canadian a type of fixed sprung baby harness in which an infant may be placed and allowed to bounce up and down for exercise

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012