variant of TRABUCH.

1

c. 1482.  J. Kay, trans. Caoursin’s Siege of Rhodes (1870), ¶ 11. A man of Grece,… counseyled the Lord Mayster and the Rhodyans to make and ordeygne an engyne called Trebuke lyke a slynge, which was grete hye and myghty, and casted grete and many stones into the hoste of the Turkes.

2