Glossary Term Definition
Any element that extends beyond the trimmed edge of the page, or the amount of extra print or image area allowed beyond the trim.
Definition
An image or inked area that extends beyond the trimmed edge of the page. Also, the extra bit of image or print area allowed beyond the trim, to ensure that the bleed is complete after trimming.
Source
No access — Robert Bringhurst — p. 322:
An image or inked area that extends beyond the trimmed edge of the page.