1 Early Eng. name for tb. Origin of name unknown (sometimes occurs as shagbolt). Used from last years of 15th cent. Most common size was tenor in B♭ which could cope with alto, ten., or bass parts. Adaptable to different pitches. Little different from modern tb. except that modern instr. has bell with greater flare. Matthew Locke's Music for His Majesty's Sackbuts and Cornetts dates from 1661.
2 Name of mus. periodical founded by Philip Heseltine (Peter Warlock), 1920.