(ˌ)äˌchäkəˈtu̇rə noun
( plural acciaccaturas -u̇rəz ; or acciaccatu·re -u̇ˌrā, -u̇rē)
Etymology: Italian, literally, crushing, from acciaccare to crush (probably from Spanish achacar to impute falsely, accuse, from Arabic dialect 'atshakka, 5th form of Arabic shaka to complain) + -ura -ure
1. in early keyboard music : a short grace note sounded with a principal note or chord before which it appears and immediately released while the tone of the principal note or chord is sustained
2. : short appoggiatura