mordent
Concise Oxford English Dictionary © 2008 Oxford University Press:
mordent /ˈmɔːd(ə)nt/
▶noun Music an ornament consisting of one rapid alternation of a written note with the note immediately below or above it in the scale.
– origin C19: via Ger. from Ital. mordente, pres. part. of mordere ‘to bite’.
'mordent' also found in these Oxford entries:

