What is the meaning of Handboard?

A board that is held in the hand or attached by a strap, used like a paddle when bodysurfing.

A tablet-sized surface for writing or displaying text and images.

A small hand-painted wooden sign, especially one indicating the direction (and possibly distance) to a particular location.

A device for securing, supporting, or guiding the hand; a handrest or splint.

A long narrow board with a catch for holding a dart, spear, or harpoon used as a throwing device.

A flat surface with a handle on one side, used by a mason or plasterer; a hawk or mortarboard.

An artist's palette.

A washboard.

A salver or tray for carrying items such as dishes.

A hand tool used to apply pressure to skins in order to finish them.

To bodysurf using a handboard.

To finish leather using a handboard.

Source: wiktionary.org