acciaccatura
noun
a short grace note one half step below, and struck at the same time as, a principal note.
The grammatical form denoting more than one person, place, thing, or idea.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“There’s a superabundance of appoggiaturas and acciaccaturas and phrase marks and so forth,” Sacks says, “which together compose a sort of nonsense.”
From Scientific American ● Apr. 22, 2013