1prop 
/ˈprɑ:p/ verb
props; propped; prop·ping always followed by an adverb or preposition /ˈprɑ:p/ verb [+ obj] : to support (something) by placing it against something else or by placing something under it
▪ She propped the rake against a tree. ▪ We propped the shed's roof with poles. ▪ The window was propped open.
▪ She propped the rake against a tree. ▪ We propped the shed's roof with poles. ▪ The window was propped open.
prop up [phrasal verb] 1 prop up (something) or prop (something) up : to stop (something) from falling or slipping by placing something under or against it
▪ We propped up the beams with long boards. 2 prop (someone) up or prop up (someone) : to give help, encouragement, or support to (someone)
▪ His faith propped him up in times of crisis.
▪ We propped up the beams with long boards.
▪ His faith propped him up in times of crisis.
