English edit

Noun edit

slotting machine (plural slotting machines)

  1. A reciprocating machine tool used to cut mortises and to shape openings.
    • 1944 September and October, A Former Student, “Some Memories of Crewe Works—I”, in Railway Magazine, page 285:
      One old chap on a huge slotting machine was intensely religious and made great efforts to convert every young man who came his way.

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