Definition of ogham in English:


(also ogam)


mass noun
  • 1An ancient British and Irish alphabet, consisting of twenty characters formed by parallel strokes on either side of or across a continuous line.

    • ‘One is inscribed in Latin and also in ogham.’
    • ‘The combination of a rockcut ‘basin’, two separate carved footprints, the incised outline of a boar or pig, and an inscription in the Irish linear script, known as ogham, cannot be paralleled anywhere in Britain or Ireland.’
    • ‘He initiated the modern study of ogam with an essay on the Mount Callan Stone in 1785.’
    1. 1.1count noun An inscription in or character from the ogham alphabet.


Early 18th century: from Irish ogam, connected with Ogma, the name of its mythical inventor.