Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of hand is as below...
Hand (n.) The small part of a gunstock near the lock, which is grasped by the hand in taking aim..
Back ::
Back (n.) The outward or upper part of a thing, as opposed to the inner or lower part; as, the back of the hand, the back of the foot, the back of a hand rail..