macron definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a short, straight mark (¯) placed over a vowel to indicate that it is long or is to be pronounced in a certain way
Origin: Classical Greek makron, neuter of makros, long: see macro-
macron definition by American Heritage Dictionary
- A diacritical mark placed above a vowel to indicate a long sound or phonetic value in pronunciation, such as (ā) in the word make.
- The horizontal mark ( ¯ ) used to indicate a stressed or long syllable in a foot of verse.
Origin: Greek makron, from neuter of makros, long; see māk- in Indo-European roots.