Definitions for "Macron"
Keywords:  vowel, breve, diacritic, makros, mark
A short, straight, horizontal mark [-], placed over vowels to denote that they are to be pronounced with a long sound; as, a, in dame; e, in seam, etc.
A short, straight mark placed horizontally over a vowel to indicate it has the long sound.
a mark placed over a long vowel to mark quantity