DuckCorp

DuckCorp Dico

(RFC 2229 compliant dictionary server)

Found one definition

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

    jar blocks /dʒˈɑː blˈɒks/ Rammklötze <pl> Synonyms: drop hammers, pile drivers, rams, tubs, drive blocks, drive hammers, driving sleeves, jar weights

    see: drop hammer, pile driver, ram, tub, drive block, drive hammer, driving sleeve, jar block, jar weight