[1] : The Collaborative International Dictionary of English v.0.48

edgeways \edge"ways\, edgewise \edge"wise\, adv.
   with the edge towards anything; in the direction of the edge.
   1913 webster

   to get a word in edgewise to succeed in expressing an
      opinion in a conversation, in spite of constant speech
      from another or others; as, he talked incessantly and i
      couldn't get a word in edgewise.

   note: the form edgeways is now uncommon.
         pjc

               glad to get in a word, as they say, edgeways.
                                                  --sir w.
                                                  scott.
         1913 webster
see also:
to get a word in edgewise edgeways 

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