Meaning of Alberti bass

Al•ber•ti bass

Pronunciation: (al-bûr'tē bās', äl-ber'-), [key]
— Music. Music.
  1. a reiterated broken-chord figure used as an accompaniment, esp. in 18th-century rococo keyboard music.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.