Definitions for oghamˈɒg əm, ˈɔ gəm
Random House Webster's College Dictionary
og•hamˈɒg əm, ˈɔ gəm(n.)
an alphabetical script used for inscriptions in an archaic form of Irish from about the 5th to the 10th century.
any of the 20 characters of this script, each consisting of strokes for consonants and of notches for vowels cut across a central line on a stone or piece of wood.
Category: Celtic, Language/Linguistics
Origin of ogham:
1620–30; < Ir; MIr ogum
An ancient Celtic alphabet historically used to write Primitive Irish.
Origin: Unclear. Possibly from the Irish og-úaim 'point-seam', referring to the seam made by the point of a sharp weapon.
The Nuttall Encyclopedia
or Ogam, an alphabet of 20 letters in use among the ancient Irish and Celts, found carved on monumental stones in Ireland, Wales, Cornwall, and the North of Scotland.