Left-hand :: Left-hand (a.) Situated on the left; nearer the left hand than the right; as, the left-hand side; the left-hand road..
Left-handed :: Left-handed (a.) Having the left hand or arm stronger and more dexterous than the right; using the left hand and arm with more dexterity than the right.
Left-handed :: Left-handed (a.) Having a direction contrary to that of the hands of a watch when seen in front; -- said of a twist, a rotary motion, etc., looked at from a given direction..