Definition of ogham in English:


(also ogam)

Pronunciation /ˈäɡəm/ /ˈɑɡəm/


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

    ‘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.’
    • ‘One is inscribed in Latin and also in ogham.’
    • ‘He initiated the modern study of ogam with an essay on the Mount Callan Stone in 1785.’
    1. 1.1An inscription in or character from the ogham alphabet.


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