Definify.com

Webster 1913 Edition

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adv.

With the edge towards anything; in the direction of the edge.

Glad to get in a word, as they say,

edgeways

Sir W. Scott.

adv.

[edge and wise.] With the edge turned forward, or towards a particular point; in the direction of the edge.

Sideways; with the side foremost.

edgewise ‎(comparative more edgewise, superlative most edgewise)

Edgeways.
As if by an edge.
Once his boss got started, Jim just couldn't get a word in edgewise.