Definitions:

1. A brass wind instrument from the Renaissance and early Baroque periods that is the direct ancestor of the modern trombone. NOUN
   • The ensemble included a sackbut to replicate authentic Reinassance sounds.
2. A historical brass instrument with a sliding tube used to vary pitch, similar in structure and function to the trombone but with more delicate tone and less flared bell. NOUN
   • Unlike modern trombones, sackbuts produce a gentler, less brassy tone.

Synonyms:

• mouth organ
• panpipe
• quill
• reed
• slide trombone
• trombone