bant verb 1noun 1forms 3 verb1 •(informal, no longer used) To regulate what one eats according to the precepts of William Banting; to go on a diet.If he is […] gouty, obese, and nervous, we strongly recommend him to ‘bant.’ — 1865 noun1 •(slang) Clipping of banter. formsbanted · banting · bants