DuckCorp Dico

Found one definition

1.                 From en.wiktionary.org:
                   
   
   
                   
                     
   
   ** English
   
   *** Verb
   [en]
   
    1. [en]
   *** Noun
   [en-noun]
   
    1. The act by which something is propped.
    2. * {{ quote-text | en | year=1904 | author=Kellogg Durland | title=Among the Fife Miners | page=62
   |passage=By certain arrangements in the former method the miner not only gets
   the coal but makes all PROPPINGS and repairs, so that the face moves much more
   slowly than with the other method where the hewers devote all their time to
   getting the coal [...]}}