Translation

dorsum / dorsal surface

Meaning

The dorsal surface of the human hand, often used as a gesture of contempt or a forceful striking surface.

Examples

• She wiped the sweat from her forehead with the back of the hand.
  She wiped the sweat from her forehead with the back of the hand.
• The insult was delivered with a dismissive wave of the back of the hand.
  The insult was delivered with a dismissive wave of the back of the hand.