资料来源 : Webster's Revised Unabridged Dictionary (1913)

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.