1. An ancient alphabet used in Ireland and Britain, consisting of 20 letters represented by straight lines and notches carved on stone or wood.
Usage: historical; also called Ogam
2. A stone or monument inscribed with ogham characters.
Usage: historical

Examples

• Scholars study ogham inscriptions to learn about ancient Celtic languages.
• The ogham alphabet was primarily used in Ireland between the 4th and 7th centuries.
• Each letter in ogham is represented by a different arrangement of lines and notches.
• Archaeologists have discovered many ogham stones in Ireland and Wales.
• The word 'ogham' itself comes from the Irish god Ogma, who was credited with inventing the script.