from The Century Dictionary.

  • noun A spanner for turning or holding bolts whose heads are in recesses and so cannot be caught by an ordinary wrench.


Sorry, no etymologies found.


  • One of them was a kind of ring-spanner that Alex had made from an old tin-opener (he never gave up!) and the other a sort of box-spanner I had made from wood.

    Chapter 13 - Stage Two


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