thwittle noun 1verb 1forms 3 noun1 •(no longer used) A small knife; a whittle.Merc. […]And that in Jove's great dining Room, We were with each one a good thwittle Again set down to swill, and vittle, Provided (Signior) do you see, That you should not the Carver be[…] — 1675 verb1 •(no longer used) To cut or whittle.your Absolute Certainty would be thwittled into sufficient Certainty — 1688 formsthwittled · thwittling · thwittles