[f. as prec. + -ING2.] That butchers; that kills wantonly or in cold blood.

1

1775.  Warren, in Harper’s Mag., Oct. (1883), 736/1. The butchering hands of an inhuman soldiery.

2

1816.  Southey, Poet’s Pilgr., IV. xliii. From butchering strife Deliver’d.

3