Definition of quinch in US English:

quinch

verb

Regional
archaic
  • no object To move, stir, make a slight noise; to start, flinch.

Origin

Early 16th century; earliest use found in Promptorium Parvulorum. Origin uncertain. Perhaps a variant of quetch, perhaps by association with winch; or perhaps a variant of either winch or wince.

Pronunciation

quinch

/kwɪn(t)ʃ/