left handPronunciation: /lɛftˈhand/Definition of left hand noun the hand of a person’s left side. the region or direction on the left side of a person or thing:there was a vast forest on the left hand adjective [attributive] on or towards the left side of a person or thing:his left-hand pocket done with or using the left hand:an excellent left-hand catch by SmithPhrases marry with the left hand British marry morganatically. [from a German custom by which the bridegroom gave the bride his left hand in such marriages]left hand in other Oxford dictionaries Definition of left hand in the US English dictionary