Ogham
/ˈɑːɡəm/
Definition 1 of 1
Pro Tip 1/3Ancient Origin
Ogham is a very old form of writing, so it's mainly found in historical studies or contexts. 
Researchers deciphered the ogham inscriptions to learn about ancient Irish history.
Pro Tip 2/3Cultural Link
Understanding ogham can give insights into Celtic cultural heritage and early medieval history. 
Visiting the museum, I saw an ogham stone that detailed Celtic rituals.
Pro Tip 3/3Visual Style
Ogham is distinctive with its series of lines and notches; it looks unlike modern alphabets. 
The ogham characters carved on the pillar appeared as a series of mysterious notches.