Third-person singular simple present indicative form of prop

plural of prop / (obsolete) A game of chance using four seashells (each called a prop).

(slang) Respect for, or recognition of, another person; an expression of approval or a special acknowledgment; accolades; praise.

(organic chemistry) Denoting the presence of 3 carbon atoms in the parent chain when forming names of organic compounds.

present participle of prop

The act by which something is propped.

To manually start the engine of a propeller-driven aircraft with no electric starter by pulling vigorously on one of the propeller blades using the hands, so that the propeller can catch ignition.

(gambling, informal) Short for proposition player.

(astronautics) propellant (“rocket fuel”)

(transitive, sometimes figuratively) To support or shore up something. / (intransitive) To play rugby in the prop position.