In prosody, the accent grave (`) typically indicates a low or falling pitch or an unstressed syllable; distinct from the acute accent (´), it is used in linguistic notation and classical scansion, especially in French, Greek, and sometimes in English metrical analysis to denote reduced stress
The grave accent (ˋ) in classical prosody denotes low pitch or absence of stress; in modern usage, distinguishes pronunciation in Romance languages (e.g., French “è”); not to be confused with the poetic grave as a tomb
Mark (`) indicating stressed syllable or pronunciation. French prosody especially. Related: accent marks, stress notation.
Study: differences across languages in accent marking.
Grave is a metrical foot of one stressed syllable followed by three unstressed (opposite of molossus); extremely rare in English poetry, it appears mainly in theoretical discussions of classical metrics.