Definition of quatch:
(adj) :
(rare, obsolete) Squat, pudgy, fat.
(n) :
(obsolete, rare) A word, a sound.
(n) :
(uncommon, uncountable) Alternative spelling of quatsch (“nonsense”) [(uncommon, often in German-language contexts) Nonsense, rubbish, foolish speech or writing.]
(v) :
(intransitive and transitive, archaic or obsolete) Alternative form of quitch (“quake, stir; brandish, shake (something)”) [(transitive, obsolete) To shake (something); to stir, move.]