a part of a road that has been widened to allow cars to pass or parkSynonyms: turnout
the act of making something widerSynonyms: broadening
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Webster's Dictionary (GCIDE)
Widen \Wid"en\, v. t. [imp. & p. p. Widened; p. pr. & vb. n. Widening.] To make wide or wider; to extend in breadth; to increase the width of; as, to widen a field; to widen a breach; to widen a stocking. [1913 Webster]