Oxford Advanced American Dictionary

Definition of grave noun from the Oxford Advanced Learner's Dictionary

grave

2noun
grave pronunciation English ɡrɑːv grave pronunciation American ɡrɑːv
(also grave accent)
 
a mark placed over a vowel in some languages to show how it should be pronounced, as over the e in the French word père
compare acute accent, circumflex, tilde, umlaut see also grave1