The Collaborative International Dictionary of English v.0.48:
Quin \Quin\, n. (Zool.) A European scallop (Pecten opercularis), used as food. [Prov. Eng.] [1913 Webster]WordNet (r) 3.0 (2006):
quin n 1: one of five children born at the same time from the same pregnancy [syn: quintuplet, quint, quin]The Free On-line Dictionary of Computing (30 December 2018):
QUIN Pyle 1965. Interactive language. Sammet 1969, p.691.