adjective.
Having the central area cut out or left vacant, leaving an outline or narrow border.
The Century Dictionary and Cyclopedia
Having a void or opening: pierced through; specifically, in heraldry, pierced through so as to show the field.
the GNU version of the Collaborative International Dictionary of English
adjective.
Emptied; evacuated.
adjective.
Annulled; invalidated.
adjective.
Having the inner part cut away, or left vacant, a narrow border being left at the sides, the tincture of the field being seen in the vacant space; -- said of a charge.