DuckCorp

DuckCorp Dico

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Found one definition

  1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                    

    jar block /dʒˈɑː blˈɒk/ Rammklotz <masc> Synonyms: drop hammer, pile driver, ram, tub, drive block, drive hammer, driving sleeve, jar weight

    see: drop hammers, pile drivers, rams, tubs, drive blocks, drive hammers, driving sleeves, jar blocks, jar weights