- a rigid support, as a beam, stake, or pole, placed under or against a structure or part
- a person or thing that gives support or aid to a person, institution, etc.
Origin of propMiddle English proppe from MDu, prop, uncertain or unknown; perhaps akin to German pfropfen, stopper
transitive verbpropped, prop′ping
- to support, hold up, or hold in place with or as with a prop: often with up
- to place or lean (something) against a support
- to sustain or bolster