the GNU version of the Collaborative International Dictionary of English
v. To awake; to arouse; to stir or start up; also, to shout out.
The Century Dictionary and Cyclopedia
To rouse; awake; upbraid.
To awake; start.
Word Usage
"I believe the clay coated board is so that you can incise or abraid through the clay to expose a white surface for fine detail, like scratchboard or sgraffito."