Definition:
ogham
- oghamalphabetical script used originally for inscriptions in an archaic form of Irish, from about the 5th to the 10th centuries
- oghamany of the 20 characters of this script, each consisting of one or more strokes for consonants and of notches for vowels cut across or upon a central line on a stone or piece of wood
- oghaman ancient alphabet, also OGAM
- oghaminscription employing this script
- oghamthe alphabetic system of fifth and sixth century Irish in which an alphabet of 20 letters is represented by notches for vowels and lines for consonants and which is known principally from inscriptions cut on the edges of rough standing tombstones