Definition of "ogam" [og•am]

• Variant of ogham. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Cuchulain strode into the wood, and there, with a single blow, he lopped the prime sapling of an oak, root and top, and with only one foot and one hand and one eye he exerted himself; and he made a twig-ring thereof and set an ogam [b] script on the plug of the ring, and set the ring round the narrow part of the pillar-stone on Ard ( 'the Height') of Cuillenn."
• "[2] Etarcumul's grave was then dug and his tombstone erected; his name was written in ogam and they raised the keen over him."
• "Cuchulain lopped off an oak that was before him in that place and set an ogam-writing on its side."