Music An embellishing note, usually one step above or below the note it precedes and indicated by a small note or special sign.
ETYMOLOGY:
Italian, from appoggiato, past participle of appoggiare, to lean on, from Vulgar Latin *appodire : Latin ad-, ad- + Latin podium, support (from Greek podion, base, from pous, pod-, foot; see ped- in Appendix I).