What is to join by a link or chain, as railroad cars. [U. S.] Shackle bar, the coupling between a locomotive and its tender. [U.S.] -- Shackle bolt, a shackle. Sir W. Scott called?

shackle — To join by a link or chain, as railroad cars. [U. S.] Shackle bar, the coupling between a locomotive and its tender. [U.S.] -- Shackle bolt, a shackle. Sir W. Scott. (Webster's 1913.)

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