Definition of left handed

• using or intended for the left hand; "left-handed golfers need left-handed clubs"; "left-handed scissors"
• (of marriages) illicit or informal; "in Colonial America left-handed marriages between Frenchmen and Indians were frequent"
• (of marriages) of a marriage between one of royal or noble birth and one of lower rank; valid but with the understanding that the rank of the inferior remains unchanged and offspring do not succeed to titles or property of the superior