potch /pɒt͡ʃ/verb 3noun 2forms 3 verb3 •To bleach rags in paper-making. •(no longer used) To thrust.I'll potch at him some way, / Or wrath or craft may get him. — 1608 •(no longer used) To trample.Afterwards, the second pasture should be treated in the same manner, and the rest in course, feeding the wettest pasture after the driest, that the soil may be less potched. — 1837 noun2 •(Judaism) A slap or spank. Alternative spellings include patsh, potsh. •(Australia) A type of rough opal without colour, and therefore not worth selling.Likewise, a thin piece of good opal on potch (opal with no play of colour) may be cut so that the potch acts as a backing. — 2006 formspotched · potching · potches