Found 2 items, similar to macron.
English → English (WordNet) Definition: macron macron n : a diacritical mark (-) placed above a vowel to indicate a long sound
English → English (gcide) Definition: Macron Macron \Ma"cron\, n. [NL., fr. Gr. ? long.] (Pron.) A short, straight, horizontal mark [-], placed over vowels to denote that they are to be pronounced with a long sound; as, [=a], in d[=a]me; [=e], in s[=e]am, etc. Syn: macrotone. [1913 Webster]