INDELIBLE a. 2 definitions
ashed away, blotted out, or effaced; incapable of being canceled, lost, or forgotten; as, indelible characters; an indelible stain; an indelible impression on the memory.
MARKING n.
nt or disposition of marks or coloring; as, the marking of a bird's plumage. Marking ink, indelible ink, because used in marking linen. -- Marking nut (Bot.), the nut of the Semecarpus Anacardium, an East Indian tree. The shell of the nut yields a blackish resinous juice used for marking cotton cloth, and an oil prepa…