wid·dy I. \ˈwidi\noun (-es) Etymology: Middle English (Scots) widdy, wedde, wethy, from wethy, withie withy, from Old English wīthig willow, withy — more at withy 1.Scot & dialect England: a rope made of osiers or similar twigs : withy 2.Scot & dialect England: a hangman's noose : halter II. \-dē, -di\ dialect variant of widow