—v.t. 1. to support, or prevent from falling, with or as if with a prop (often fol. by up): to prop an old fence; to prop up an unpopular government. 2. to rest (a thing) against a support: He propped his cane against the wall. 3. to support or sustain (often fol. by up).
—n. 1. a stick, rod, pole, beam, or other rigid support.
2. a person or thing serving as a support or stay: His father is his financial prop.