Mordent
ahd-5
noun.
A melodic ornament in which a principal tone is rapidly alternated with the tone a half or full step below.
The Century Dictionary and Cyclopedia
noun.
In
music
:
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
An
ornament
consisting of a
single
alternation
between a given
pitch
, and the one immediately below it
cross-reference
mordant
pralltriller
Form
inverted mordent
lower mordent
upper mordent