knob lock
noun
a lock having a spring bolt moved by a knob or knobs, and a dead bolt moved by a key.
Origin of knob lock
First recorded in 1805–15
Words nearby knob lock
knitting needle,
knitwear,
knives,
knob,
knob latch,
knob lock,
knobble,
knobbling roll,
knobbly,
knobby,
knobcone pine