Noah Webster
Prop
PROP, verb transitive
1. To support or prevent from falling by placing something under or against; as, to prop a fence or an old building.
2. To support by standing under or against.
Till the bright mountains prop th' incumbent sky.
3. To support; to sustain; in a general sense; as, to prop a declining state.
I prop myself upon the few supports that are left me.
PROP, noun That which sustains an incumbent weight; that on which any thing rests for support; a support; a stay; as a prop for vines; a prop for an old building. An affectionate child is the prop of declining age.