Farmers Slang & Its Analogues. 18901909, rev. 2022.
Bum-dagger
subs. phr. (old).A large dagger formerly worn at the side, as bayonets were later.
1
1636. SAMPSON, Vow Breaker. Two thousand hardy Scots, with glaved blades, BUM-DAGGERS, and white kerchers, such as will fight and face the fiery French.