quatch adjective 1noun 1forms 1 adjective1 •(no longer used, rare) Squat, pudgy, fat.It is like a barber’s chair that fits all buttocks: the pin-buttock, the quatch-buttock, the brawn-buttock, or any buttock. — 1604 noun1 •(no longer used, rare) A word, a sound.No! not a quatch sad poets! Doubt you, There is not grief enough without you? — 1647 formsquatches