propping
verb(prop)
to support by placing something under or against —often used with up
propping
verb(prop)
to support by placing against something
propping
verb(prop)
sustain, strengthen —often used with up
propping
phrasal verb(prop)
to stop (something) from falling or slipping by placing something under or against it
propping
phrasal verb(prop)
to give help, encouragement, or support to (someone)